and gold patterns Stable Diffusion prompts

7 months ago

10. Ten of Swords – Death and Rebirth A luminous figure kneels in an endless desert, pierced by ten swords dripping molten gold instead of blood. The sun melts into the horizon in surreal, flowing patterns, signaling both an ending and a rebirth. The atmosphere glows in molten gold, twilight purples, and soft whites, with textures of cracking light, flowing sand, and liquid reflections, representing the cycle of destruction and renewal

7 months ago

A hyperrealistic image of a woman showcasing an elaborate body paint design inspired by the cosmos and swirling nebulae. Her skin is painted in segments of deep black, shimmering gold, and iridescent purple, with patterns that mimic galaxies, stars, and nebulae. Her face features an asymmetrical design, with one eye highlighted in gold and the other with a swirling black and purple design, complemented by bold eyeshadow. Her lips are a deep, shimmering blue, adding a touch of otherworldly mystery. Her dark hair is styled into a voluminous updo with cosmic accents, enhancing the overall theme. The image combines hyperrealism with cosmic body art, emphasizing swirling patterns and a sense of wonder.

5 months ago

A person with black body paint and golden details and headpiece covers their face with their hands. The image depicts a person with striking body art against a black background. Their skin is painted completely black, providing a dark canvas for the intricate golden designs that adorn them. A large, ornate golden headpiece covers much of their face, featuring delicate scrollwork and decorative elements that extend down, creating a mask-like appearance. Golden lines and patterns are also painted across their body, resembling elaborate tattoos or tribal markings. The person's hands, also painted black, are brought up to cover the lower half of their face, with only their eyes and the upper portion of their nose visible through the headpiece. Their fingernails are painted a glossy grey. They wear rings on their right hand, suggesting some personal adornment amidst the body art. The atmosphere of the image is enigmatic and artistic. The stark contrast between the black body paint and the shimmering gold creates a dramatic visual effect. The dim lighting and dark background enhance the mysterious and intense mood. There are no visible objects other than the person and their body art. The figure's pose of covering their face adds a sense of intrigue and perhaps vulnerability or contemplation. The overall mood is one of dark elegance and artistic expression, focusing on the transformation of the human form through body paint and adornment.

9 months ago

a full-body view of a belly dancer woman depicted in the style of a 19th-century oil painting masterpiece. She is adorned in revealing, oriental-inspired clothing crafted from translucent fabrics, metallic veils, and ornate shimmering chains that catch the ambient light. Her barefoot stance exudes both grace and strength, while her ethereal beauty is enhanced by an abundance of piercings that add to her mysterious and alluring presence. Her pose is elegant and fluid, capturing the movement and poise of a seasoned dancer. Her clothing flows delicately around her, with intricate patterns and glimmers of gold and silver woven into the translucent materials. The metallic veils ripple as if alive, and the chains clink faintly in an imagined melody, adding depth and texture to her mesmerizing attire. The setting is a breathtaking fusion of Persian architectural influences and futuristic techno-space design. The interior is richly detailed, featuring grand arches and intricate tile patterns interwoven with glowing motifs and surreal, magical elements. The walls are adorned with luminous designs that appear to shift and pulse softly, blending historical opulence with futuristic mystique. Ambient lighting enhances the scene, casting warm golden and cool silver tones that highlight the textures of her fabrics and the surreal glow of the surroundings. The atmosphere is awe-inspiring and enchanting, combining the grandeur of a historical palace with the wonder of a futuristic dreamscape. Every detail, from the subtle glow of magical patterns to the soft textures of the painting style, evokes a sense of timeless beauty and mysticism. Rendered in the intricate brushstrokes of a 19th-century oil painting, the composition captures the blend of historical and futuristic aesthetics, creating an unforgettable masterpiece that bridges opulence and innovation.

3 months ago

A hyperrealistic image of a woman showcasing an elaborate body paint design inspired by the cosmos and swirling nebulae. Her skin is painted in segments of deep black, shimmering gold, and iridescent purple, with patterns that mimic galaxies, stars, and nebulae. Her face features an asymmetrical design, with one eye highlighted in gold and the other with a swirling black and purple design, complemented by bold eyeshadow. Her lips are a deep, shimmering blue, adding a touch of otherworldly mystery. Her dark hair is styled into a voluminous updo with cosmic accents, enhancing the overall theme. The image combines hyperrealism with cosmic body art, emphasizing swirling patterns and a sense of wonder.

5 months ago

oil painting depicting Klimt-inspired embracing couple, the woman has long flowing buffed red hair, adorned in patterns of spirals and geometric shapes, gold leaf accents, surrounded by a tree of life motif, poster art in the style of Anna Dittmann, Behance contest winner. Surreal fashion photography with art deco sensibilities, flowing fabrics with an art nouveau influence, chiaroscuro portraitures, wavy lines, organic sculpting, and minimalism. High-resolution image.

8 months ago

Prompt: A powerful and determined Queen Teuta of Illyria stands at the prow of her warship, sailing across the Adriatic Sea. She wears bronze and leather armor adorned with intricate Illyrian patterns, symbolizing her warrior status. A deep-blue cloak with gold trim flows behind her in the wind. Her long, dark hair is partially braided, and a silver diadem crowns her head. In her right hand, she grips a curved Illyrian sword with an ornate hilt, while her left hand rests firmly on the wooden railing of the ship. The deck is filled with Illyrian warriors, armed and ready, their expressions fierce. The warship, decorated with dragon-headed prows, cuts through the choppy waves. Above, the sky is a dramatic blend of stormy clouds and golden sunlight, casting an intense glow over the scene. In the distance, Roman ships approach, their sails bright against the darkening sky, foreshadowing the coming battle.

7 months ago

Tarot card frame with photo placeholder romantic card will feature hyper-realistic gold, opal quartz, neon hues, silver holographic reflections, and cosmic textures, ensuring seamless cohesion with your existing collection. Salvador Dalí-Inspired Surrealism, optimized for maximum detail and dreamlike quality. Each prompt follows a structured format, ensuring consistent surrealistic themes, psychedelic aesthetics, and celestial mysticism. Psychedelic Tarot Swords Collection – Salvador Dalí-Inspired Surrealism The Swords suit represents intellect, truth, clarity, conflict, and communication, now visualized through a psychedelic, surrealist lens infused with Salvador Dalí’s melting landscapes and celestial distortions. The imagery is sharp, crystalline, and dreamlike, with blades emerging from shattered time, cosmic winds carving through reality, and thought-forms manifesting as glowing geometric patterns. Each card embodies the power of the mind—its brilliance, its struggles, and its ability to shape or shatter reality. The air element becomes tangible, seen as flowing currents of neon light, levitating swords piercing the veil of illusion, and fractured mirrors reflecting hidden truths. • Two of Swords: A surreal figure sits blindfolded on a floating, melting platform, holding two crossed swords. The background is a cosmic void where two paths spiral infinitely, reflecting indecision and the balance of duality.

5 months ago

A close-up portrait of a person wearing an ornate and otherworldly headdress and collar. The image is a detailed portrait of a person with an unusual appearance. They are wearing a large, sculptural headdress that appears to be made of a dark, textured material that resembles moss or coral, from which abstract, spiky branches extend upwards. Embedded within the headdress are small, round elements that have a metallic or jewel-like quality, shimmering with hints of blue and gold. The person's face is partially obscured by an intricate face mask composed of a blue, slightly metallic material covered in countless small, iridescent blue and gold dots that create a textured, patterned effect. Prominently displayed on the forehead, above the eyes, and on the chest are larger, round, glowing orange orbs with a fiery appearance, suggesting embedded jewels or energy sources. The person has striking bright orange eyes and smooth, pale skin visible beneath the mask. They are wearing a layered collar that stands up around their neck and shoulders, featuring a ridged outer layer with sharp points and an inner layer with a feathery or layered texture. Both the collar and the garment beneath it are adorned with complex, ornate patterns in shades of blue, gold, and black, giving a sense of ancient or alien craftsmanship. The background is a dark, undefined space, which emphasizes the intricate details of the subject. The overall atmosphere is one of mystery, fantasy, and regal intensity, suggesting a powerful and perhaps otherworldly being. The mood is serious and captivating, drawing the viewer into the subject's enigmatic presence. Afrofuturism.

8 months ago

"A group of seven fierce, Japanese superheroines standing together in a serene feudal Japanese village, inspired by legendary samurai warriors. Their outfits are tight, minimalistic and elegant, blending traditional samurai elements with modern, revealing designs. The clothing is crafted from fine, transparent silk fabrics with intricate floral and mythological patterns embroidered in gold and silver. Each heroine wears a distinct outfit that leaves portions of their skin exposed, showing huge chest, including sheer haori jackets, short kimono-style wraps, and fitted armor pieces that cover essential areas while enhancing their agility and movement. The outfits are adorned with delicate, sheer veils and sashes that flow gracefully in the wind, giving a regal yet battle-ready appearance. Some have translucent sleeves and skirts, revealing toned legs and arms, while others wear sheer bodices with decorative lace-like patterns resembling cherry blossoms and traditional Japanese symbols. Their weapons include elegant katanas with jeweled hilts, naginatas with silk-wrapped handles, and ornate fans with hidden blades. Each heroine’s hairstyle is styled with modern touches — long flowing hair, braided ponytails, or intricate buns adorned with kanzashi hairpins featuring glowing gems. The scene is set in a traditional Japanese garden at midday, surrounded by cherry blossom trees in full bloom, with a Shinto shrine and wooden torii gates in the background. Soft petals drift through the air, and the sunlight casts dappled shadows on the cobblestone path. The lighting highlights the textures of their outfits, the shimmering silk, and the polished metal of their weapons, creating a visually stunning contrast between softness and strength. The heroines stand confidently, exuding elegance, power, and grace in a wide 16:9 cinematic composition." Prompt negativo: distorted anatomy, extra limbs, unnatural poses, cartoonish features, overly exaggerated expressions, glitch effects, overexposed lighting.

9 months ago

a full-body view of a belly dancer woman depicted in the style of a 19th-century oil painting masterpiece. She is adorned in revealing, oriental-inspired clothing crafted from translucent fabrics, metallic veils, and ornate shimmering chains that catch the ambient light. Her barefoot stance exudes both grace and strength, while her ethereal beauty is enhanced by an abundance of piercings that add to her mysterious and alluring presence. Her pose is elegant and fluid, capturing the movement and poise of a seasoned dancer. Her clothing flows delicately around her, with intricate patterns and glimmers of gold and silver woven into the translucent materials. The metallic veils ripple as if alive, and the chains clink faintly in an imagined melody, adding depth and texture to her mesmerizing attire. The setting is a breathtaking fusion of Persian architectural influences and futuristic techno-space design. The interior is richly detailed, featuring grand arches and intricate tile patterns interwoven with glowing motifs and surreal, magical elements. The walls are adorned with luminous designs that appear to shift and pulse softly, blending historical opulence with futuristic mystique. Ambient lighting enhances the scene, casting warm golden and cool silver tones that highlight the textures of her fabrics and the surreal glow of the surroundings. The atmosphere is awe-inspiring and enchanting, combining the grandeur of a historical palace with the wonder of a futuristic dreamscape. Every detail, from the subtle glow of magical patterns to the soft textures of the painting style, evokes a sense of timeless beauty and mysticism. Rendered in the intricate brushstrokes of a 19th-century oil painting, the composition captures the blend of historical and futuristic aesthetics, creating an unforgettable masterpiece that bridges opulence and innovation.

7 months ago

Tarot card frame with photo placeholder romantic card will feature hyper-realistic gold, opal quartz, neon hues, silver holographic reflections, and cosmic textures, ensuring seamless cohesion with your existing collection. Salvador Dalí-Inspired Surrealism, optimized for maximum detail and dreamlike quality. Each prompt follows a structured format, ensuring consistent surrealistic themes, psychedelic aesthetics, and celestial mysticism. Psychedelic Tarot Swords Collection – Salvador Dalí-Inspired Surrealism The Swords suit represents intellect, truth, clarity, conflict, and communication, now visualized through a psychedelic, surrealist lens infused with Salvador Dalí’s melting landscapes and celestial distortions. The imagery is sharp, crystalline, and dreamlike, with blades emerging from shattered time, cosmic winds carving through reality, and thought-forms manifesting as glowing geometric patterns. Each card embodies the power of the mind—its brilliance, its struggles, and its ability to shape or shatter reality. The air element becomes tangible, seen as flowing currents of neon light, levitating swords piercing the veil of illusion, and fractured mirrors reflecting hidden truths. • Two of Swords: A surreal figure sits blindfolded on a floating, melting platform, holding two crossed swords. The background is a cosmic void where two paths spiral infinitely, reflecting indecision and the balance of duality.

8 months ago

Create a image in detailed design concept for a sports jersey based on the following specifications: **Front Side:** - **Base Color:** Utilize a predominantly white color scheme featuring subtle textured patterns across the fabric. - **Collar & Shoulder Accents:** Design a black collar with a gold trim. The shoulders should have a slight gold gradient that seamlessly blends into the base white color. - **Design Elements:** - Place a "THUNDER STRIKER" logo on the left side of the chest area. - Incorporate two black curved lines extending from the chest to add a sharp, sporty aesthetic. - Below the chest, integrate a geometric hexagonal and tribal pattern in grey and gold, which becomes denser towards the lower half of the jersey. - Add gold and grey angular lines extending from the sides for a modern touch. - **Sleeves:** - Design cuffs in black with a gold Greek-style pattern around the edges. - Ensure sleeves are predominantly white with slight texture. **Back Side:** - **Base Color & Texture:** Keep the upper portion mostly plain white with the same subtle pattern as the front. - **Branding & Text Elements:** - Position the "THUNDER STRIKER" logo at the top-center of the back. - Below the logo, include the name "KOUSHIK" in a stylish black futuristic font. - **Design Continuity:** - The lower half should replicate the front's geometric pattern, complemented with angular grey and gold accents. - Incorporate gold and grey diagonal shapes on the side panels to create a dynamic, fast-moving appearance. - **Collar & Sleeve Details:** - The back of the collar should mirror the black with gold trim design from the front. - Ensure the sleeve cuffs are consistent with the front’s design, featuring black bands with a gold Greek-style pattern.

5 months ago

"Persian king Kayumars coronation, (intricate leopard pelt with black-gold geometric patterns:1.4), (stone-age cave throne:1.3), (ancient humans in wolf hides:1.2), (lions and mystical creatures bowing:1.3), (glowing cuneiform '𐎤𐎡𐎢𐎶𐎼𐎿':1.2), Safavid miniature style, ochre and charcoal palette, matte textures, dramatic lighting, no metal, no fabric, no fire, --ar 3:2 --v 5.2"

9 months ago

a full-body view of a belly dancer woman depicted in the style of a 19th-century oil painting masterpiece. She is adorned in revealing, oriental-inspired clothing crafted from translucent fabrics, metallic veils, and ornate shimmering chains that catch the ambient light. Her barefoot stance exudes both grace and strength, while her ethereal beauty is enhanced by an abundance of piercings that add to her mysterious and alluring presence. Her pose is elegant and fluid, capturing the movement and poise of a seasoned dancer. Her clothing flows delicately around her, with intricate patterns and glimmers of gold and silver woven into the translucent materials. The metallic veils ripple as if alive, and the chains clink faintly in an imagined melody, adding depth and texture to her mesmerizing attire. The setting is a breathtaking fusion of Persian architectural influences and futuristic techno-space design. The interior is richly detailed, featuring grand arches and intricate tile patterns interwoven with glowing motifs and surreal, magical elements. The walls are adorned with luminous designs that appear to shift and pulse softly, blending historical opulence with futuristic mystique. Ambient lighting enhances the scene, casting warm golden and cool silver tones that highlight the textures of her fabrics and the surreal glow of the surroundings. The atmosphere is awe-inspiring and enchanting, combining the grandeur of a historical palace with the wonder of a futuristic dreamscape. Every detail, from the subtle glow of magical patterns to the soft textures of the painting style, evokes a sense of timeless beauty and mysticism. Rendered in the intricate brushstrokes of a 19th-century oil painting, the composition captures the blend of historical and futuristic aesthetics, creating an unforgettable masterpiece that bridges opulence and innovation.

8 months ago

Prompt: A powerful and determined Queen Teuta of Illyria stands at the prow of her warship, sailing across the Adriatic Sea. She wears bronze and leather armor adorned with intricate Illyrian patterns, symbolizing her warrior status. A deep-blue cloak with gold trim flows behind her in the wind. Her long, dark hair is partially braided, and a silver diadem crowns her head. In her right hand, she grips a curved Illyrian sword with an ornate hilt, while her left hand rests firmly on the wooden railing of the ship. The deck is filled with Illyrian warriors, armed and ready, their expressions fierce. The warship, decorated with dragon-headed prows, cuts through the choppy waves. Above, the sky is a dramatic blend of stormy clouds and golden sunlight, casting an intense glow over the scene. In the distance, Roman ships approach, their sails bright against the darkening sky, foreshadowing the coming battle.

5 months ago

The image depicts a striking portrait of a woman with her face painted in bold black and gold colors. The left side of her face is covered in black paint, adorned with intricate golden patterns that resemble tribal or ancient designs. These patterns extend down to her neck and shoulder area, where they transition into a shiny gold finish. Her right side is painted in gold, her right eye is accentuated with vibrant red eyeshadow, creating a dramatic contrast against the dark background. Her eyelashes are long and well-defined, adding to the overall intensity of the look. She has full, glossy red lips that match the eye shadow, enhancing the boldness of her appearance. The lighting in the image highlights the textures and colors, emphasizing the metallic sheen of the gold paint on her skin. The background is dark, which further draws attention to the detailed artwork on her face. This artistic portrayal combines elements of modern makeup artistry with traditional design motifs, resulting in a visually captivating and powerful image.

5 months ago

A woman in an elaborate golden mask and feather headdress stands in front of a black background. The woman is the central focus of the picture and is wearing an ornate golden mask that covers the upper half of her face, with intricate scrollwork and filigree designs around the eyes and down the nose. Her lips are visible below the mask and are painted dark. Around her head is a large, impressive golden feather headdress that fans out behind her, with individual feathers appearing detailed and textured. The woman's hair is black and pulled back, visible beneath the top of the mask and headdress. She is wearing a dark garment, likely a dress or top, adorned with golden, geometric patterns around her neck and chest. Her skin is dark, contrasting with the bright gold of the mask and headdress. The golden elements are highly detailed and appear to be made of metal. The eyes visible through the mask are a striking orange color. The overall atmosphere is one of striking elegance and mystery, with a powerful and regal mood conveyed by the golden elements and the woman's direct gaze. The lighting appears to be from the front, highlighting the golden elements and creating dramatic shadows.

1 month ago

Antonio Mora and Jarek Kubicki and Andy Warhol style. REBELLION, (((wide dry brush strokes reveal color underneath))), ((fonts 2d & 3d)), peeling paint, mosaic, (((monochrome photograph of numerous faces roughly torn apart and reconstructed to create new face))), crinkled aluminum foil & gold leaf shiny metallic design details, ((cut out images of random objects pasted onto artwork)), (((alcohol ink washes))), oil paint, ((artist markers with wide strokes creating intricate patterns)), (((avant-garde theatrical vibrant eyeshadow eyeliner and lipstick))), ((dried pressed vibrant wildflowers)), black marker tracing details & shapes, (((intricately illustrated hand colored images of tropical sea creatures))). Hyper detailed, hyper realistic, super sharp focus, (((monochromatic))) with (((vibrantly colored details))).

9 months ago

Create the image of a handsome and charismatic male king, wearing a crown that should be dome-shaped, decorated with very detailed filigree carvings, at the bottom of the crown is a large circular disk (like a disc). His hair is long and flowing, and his black moustache and beard are trimmed. His face should reflect the essence of a warrior, exuding power and nobility. He wears richly textured red clothing reminiscent of traditional Indonesian royalty, decorated with intricate patterns. The king sits on an ornate throne, surrounded by a royal atmosphere. In the background, include large pillars and large windows that let in soft golden sunlight, casting soft shadows throughout the room. The color palette should emphasize deep reds, golds, and earth tones, enhancing the richness of the setting. Use a realistic art style with a focus on detail and texture to capture the king's clothing and features. The mood should be powerful yet serene, evoking a sense of calm authority. Aim for high resolution quality to highlight intricate details.

3 months ago

Macro view of three ultra-realistic rocks, each sculpted into a distinct Gothic-style letter: “D”, “I”, and “E”. The letters are formed naturally within the stone structure — jagged, weathered edges but shaped with divine symmetry. The rock surfaces are richly textured, infused with blended streaks of copper and gold, catching ambient light. Each letter sits apart yet forms a silent word, “DIE”, heavy with visual gravity. Background is a soft, moody gradient fading from white to yellow to deep black, creating contrast and symbolic tension. Dramatic side lighting, cinematic shadows, and hyper-detailed mineral patterns. 8K, photorealistic, gothic surrealism, mystical typography carved into the bones of nature.

4 months ago

An elegant and mysterious male fighter character design inspired by Italian aesthetics. He wears a long white coat adorned with intricate golden embroidery, with ornate patterns flowing along the edges. The coat features metallic shoulder accents, and a distinctive knotted ornament on the left side. Underneath, he wears a gray buttoned vest over a crisp white shirt, with a black collar adding contrast. His pants are pleated white trousers, secured with a silver belt featuring a ram’s head emblem. His hands are covered in short white gloves with metallic embellishments on the back. His footwear consists of stylish wingtip shoes in shades of gray and white, with subtle engravings of his signature emblem. Accessories include a gold chain necklace and a loosely tied black necktie, enhancing his refined and enigmatic presence. The overall aesthetic is sophisticated, regal, and designed to exude authority and grace in battle. Cinematic, ethereal lighting, highly detailed fabric and metal textures, 4K resolution

5 months ago

Create a image in detailed design concept for a sports jersey based on the following specifications: **Front Side:** - **Base Color:** Utilize a predominantly white color scheme featuring subtle textured patterns across the fabric. - **Collar & Shoulder Accents:** Design a black collar with a gold trim. The shoulders should have a slight gold gradient that seamlessly blends into the base white color. - **Design Elements:** - Place a "SNOOK BALL" logo on the left side of the chest area. - Incorporate two black curved lines extending from the chest to add a sharp, sporty aesthetic. - Below the chest, A green pool table with a darker green writing snook ball in the middle of the pool table. - Add gold and grey angular lines extending from the sides for a modern touch. - **Sleeves:** - Design cuffs in black with a gold Greek-style pattern around the edges. - Ensure sleeves are predominantly white with slight texture. **Back Side:** - **Base Color & Texture:** Keep the upper portion mostly plain white with the same subtle pattern as the front. - **Branding & Text Elements:** - Position the "SNOOK BALL" logo at the top-center of the back. - Below the logo, include the name "8-BALL" in a stylish black futuristic font. - **Design Continuity:** - The lower half should replicate the front's geometric pattern, complemented with angular grey and gold accents. - Incorporate gold and grey diagonal shapes on the side panels to create a dynamic, fast-moving appearance. - **Collar & Sleeve Details:** - The back of the collar should mirror the black with gold trim design from the front. - Ensure the sleeve cuffs are consistent with the front’s design, featuring black bands with a gold Greek-style pattern.

3 days ago

An ultra-realistic, full-body portrait of a captivating celestial guardian woman, radiating divine protection and ethereal resolve with a luminous and powerful palette. She poses with unwavering confidence, her form exuding both otherworldly grace and fierce determination. She wears a modern, full-body armor crafted from shimmering gold and celestial white materials, interwoven with flexible plating, angelic sigils, and glowing crystal accents, in a mix of luminous golds, silvers, and soft blues, creating a divine and formidable contrast. The armor features intricate celestial patterns, flexible joints, and feather-like details that seem to shimmer with a holy light, designed for both protection and divine channeling. Her photorealistic face exudes serene strength and an unyielding faith, with strong features and piercing silver eyes that shine with inner light and fierce resolve. Her long, platinum blonde hair is styled in a powerful, flowing style adorned with delicate silver and crystal ornaments that seem to capture the strength of the heavens. Ethereal, angelic tattoos in glowing gold and silver patterns swirl along her arms and face, adding an otherworldly and righteous charm. She holds a greatshield that emanates a divine forcefield and a long, powerful spear that seems to radiate celestial power, ready to defend the innocent from any threat. The background is a vivid combination of a celestial fortress and swirling, abstract energy currents in hues of gold, silver, and luminous blue, emphasizing her divine might and unwavering protection. Dramatic cinematic lighting casts stark shadows and ethereal highlights, accentuating the powerful lines of her pose. The image combines advanced digital artistry techniques, including V-Ray tracing, Unreal Engine 5 rendering, and Substance Painter detailing with mixed-media digital painting. Every element is brought to life in UHD resolution, showcasing her as a powerful yet elegant guardian, blending the aesthetics of celestial fantasy and futuristic warfare in one extraordinary full-body composition. --ar 16:9 format 16:9 youtube thumpnail