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The Big Bang Theory Season 4

A style LoRA for Krea 2. Applies a consistent visual treatment without locking the subject matter.

Usage

Include the trigger word bgbngthrys4 in your prompt.

Recommended weight: 1. Start there and adjust — styles often read well below 1.0, and lower weights blend more naturally with other LoRAs.

Prompt Examples

Here are some prompt examples:

"bgbngthrys4, three figures walk away from the camera down a narrow, dimly lit alleyway at night, with one person pulling a green suitcase and another carrying a backpack. The setting features exposed brick walls, a metal staircase on the left, and a “TOW AWAY ZONE” sign mounted on the wall, with large dumpsters visible in the background. The lighting is sparse and directional, casting long, sharp shadows across the concrete ground, with a cool, muted color palette dominated by dark grays, deep blues, and brick reds. The camera is positioned at a low angle, capturing the subjects from behind as they move deeper into the alley, emphasizing the confined and atmospheric space."

"bgbngthrys4, three individuals are walking along a sidewalk at night, moving toward the entrance of a theater with ornate architecture. The building’s facade features large posters and a marquee advertising a special screening, while a ticket booth with red curtains stands near the entrance. The scene is illuminated by warm artificial lights casting long shadows, with the street and sidewalk bathed in dim, ambient glow. Dominant colors include deep browns, reds from the curb and booth, and muted tones from the posters and clothing. The camera is positioned at a low angle, capturing the subjects in motion as they approach the theater’s entrance, with the perspective emphasizing the depth of the street and the building’s architectural details."

"bgbngthrys4, two men stand in a hallway near a brick wall and a closed door, one in a bright green shirt holding a strap over his shoulder, the other in a jacket and glasses, looking upward with hands clasped. Yellow caution tape is draped over a nearby door frame, and warm, ambient light from wall-mounted fixtures illuminates the scene, suggesting an indoor setting during evening or night. The dominant colors are earthy tones—browns, grays, and muted greens—with the green shirt providing a vivid contrast. The camera is positioned at eye level, capturing the men from the waist up in a medium shot, emphasizing their interaction and expressions."

"bgbngthrys4, in a utilitarian laundry room, a woman in a striped top and bright green shorts stands by a washing machine, while a man in a black Superman-themed shirt folds a teal shirt on a black folding table. The room features brick walls, a vintage-style fan, a white sink, and multiple signs including “No Smoking” and “Do Not Leave Laundry Unattended,” with laundry baskets and detergent bottles visible. The lighting is even and artificial, suggesting an indoor setting during the day, with dominant colors of beige, green, and brick red. The camera is positioned at eye level, capturing a medium shot that includes both individuals and the surrounding environment."

"bgbngthrys4, A man and a woman walk side by side along a wet city sidewalk at night, the man gesturing with his hand as if in mid-conversation. To their left, a storefront with large glass windows displays modern lighting fixtures, including spherical and cylindrical lamps, with the sign “THE SWITCH” visible. The scene is illuminated by warm interior lights from the shop and street lamps, casting reflections on the damp pavement, while a parked car and a trash can are visible nearby. The dominant colors are deep browns and grays of the brick and pavement, contrasted with the soft whites and yellows of the glowing lights inside the store. The camera is positioned at a medium distance, capturing the pair from a slightly low angle as they move toward the viewer."

"bgbngthrys4, two individuals are seated on a brown leather couch in a cozy, book-filled living room, engaged in conversation; one gestures animatedly while the other listens with hands clasped. Behind them, tall wooden bookshelves are packed with books and binders, and a glass coffee table in front holds snacks, a purple water bottle, and scattered magazines. Warm, ambient lighting from a floor lamp on the right casts a soft glow, suggesting an evening setting. The dominant colors are earthy browns, deep reds from the couch and one person’s shirt, and muted blues and greens from the other’s clothing, contrasted by the vibrant red sneakers. The camera is positioned at eye level, capturing a medium shot that includes the subjects, the couch, and the surrounding furniture, creating an intimate,"

"bgbngthrys4, A person in a jacket and red shirt is ascending a carpeted staircase, holding a bag, framed by a doorway that reveals a brick wall behind them. The setting includes a wall-mounted lamp casting warm light, a fire safety sign on the right, and a door with magnets on the left, suggesting an apartment or building hallway. The lighting is dim and focused, creating shadows and highlighting the green carpet and red brick, with muted tones of brown, gray, and red dominating the scene. The camera is positioned at eye level, capturing the subject mid-climb through a centered doorway, emphasizing the vertical movement and depth of the stairwell."

"bgbngthrys4, A person is seated indoors, wrapped in a patterned, warm-toned blanket while intently reading a book with a visible cover and bookmark. The setting appears to be a cozy, dimly lit room with muted background furniture and a mug on a nearby surface, suggesting a quiet, personal moment. The lighting is soft and warm, casting gentle shadows and highlighting the rich reds, golds, and earthy tones of the blanket and book cover. The camera is framed in a medium close-up, focusing on the reader’s hands and the book, with a shallow depth of field blurring the background slightly."

"bgbngthrys4, A dynamic abstract composition features blurred, glowing orbs connected by sweeping, translucent arcs, suggesting rapid motion or energy flow across a deep blue digital space. The background is layered with faint, intersecting grid lines and streaks of cyan light, enhancing the sense of depth and technological motion. Dominated by rich navy and electric blue tones, with accents of soft pink and metallic silver, the scene is illuminated by a cool, artificial glow that implies a futuristic or virtual environment. Shot from a low, angled perspective, the frame captures the motion blur and layered depth, creating a sense of immersive, high-speed movement through a structured yet ethereal digital realm."

"bgbngthrys4, A dimly lit, narrow hallway with exposed brick walls and a descending staircase leads into shadow, flanked by a marble-clad elevator panel and a heavy wooden door marked with yellow caution tape. Warm, ambient light from wall-mounted fixtures casts soft glows on the textured surfaces, suggesting an interior space at night or in low-light conditions. The dominant colors are deep reds of the brick, creamy beige of the marble, and dark browns of the wood, contrasted by the bright yellow of the tape and the muted green of the floor mat. The camera is positioned at eye level, looking straight down the corridor, creating a sense of depth and quiet tension."

"bgbngthrys4, A pair of black leather roller skates with red wheels is positioned side by side, angled slightly toward the viewer, as if poised for motion. The background features a stylized, glowing timeline with years from 1970 to 2007, overlaid on a gradient of deep purple and violet hues with streaks of orange light, suggesting a dynamic, retro-futuristic setting. The lighting is dramatic and artificial, casting highlights on the skates’ glossy surfaces while the background glows with a soft, ethereal radiance. The camera is framed at a low, slightly tilted angle, emphasizing the skates’ form and the timeline beneath them, creating a sense of forward momentum and nostalgia."

"bgbngthrys4, two individuals are walking up a brick staircase, viewed from behind, with one wearing a purple t-shirt over a blue long-sleeve shirt and the other in a dark vest over a hoodie with a neon green waistband. The setting is an indoor hallway with a fire safety sign reading “IN CASE OF FIRE DO NOT USE ELEVATORS USE STAIRWAYS,” a red fire alarm, and yellow “CAUTION” tape near a door. Warm, ambient lighting from a wall-mounted lamp casts a soft glow, suggesting evening or nighttime. Dominant colors include deep red brick, muted beige walls, and the vibrant purple and neon green of the clothing. The camera is positioned at a medium distance, capturing the subjects’ upper bodies and the surrounding environment in a straight-on, eye-level shot."

"bgbngthrys4, two individuals stand with their backs to the camera, facing a brick wall near an elevator, one wearing a green shirt with striped sleeves and a crossbody bag, the other in a brown jacket with a blue hood. The setting is an indoor hallway with marble-patterned walls, a wooden door marked with yellow caution tape, and a potted plant on a decorative stand to the right. Warm, ambient lighting from a wall sconce casts soft shadows, suggesting an evening or nighttime scene. Dominant colors include earthy browns, deep reds of the brick, and the bright green of the shirt, contrasted by the yellow caution tape. The camera is positioned at eye level, capturing a medium shot that frames the subjects and their immediate surroundings."

"bgbngthrys4, A woman with blonde hair and red-framed glasses is captured mid-dance, arms raised high above her head, wearing a vibrant red sequined top over a purple long-sleeved shirt. The background is dimly lit with colorful stage lighting, including a blurred figure in yellow to the left, suggesting a lively performance or party setting. Warm, saturated hues of red, purple, and gold dominate the scene, enhanced by dynamic stage lighting that casts a glowing, energetic ambiance. The camera frames her in a tight close-up, angled slightly from the side, emphasizing her joyful expression and movement."

"bgbngthrys4, in a cozy, cluttered living room filled with bookshelves and scientific paraphernalia, a person in a purple shirt leans over a beige armchair while holding a takeout container, seemingly in mid-motion. Two others sit on a couch—one eating from a bowl, the other holding a similar container—while a green t-shirt with a glowing emblem hangs nearby, and a small screen displays a face. Warm, ambient lighting from a floor lamp casts a soft glow over the scene, suggesting an evening setting. The dominant colors are earthy browns and beiges, punctuated by the vibrant green of the shirt and the reds of the rug and cushions. The camera is positioned at a medium distance, capturing the group and their surroundings with a slight angle that emphasizes the casual, lived-in"

"bgbngthrys4, three generations of integrated circuit chips are arranged diagonally across a vivid red background, each progressively more complex and densely packed with components, illustrating technological evolution from 1930 to 2003 as indicated by a timeline overlay. The lighting is bright and directional, casting sharp highlights on the metallic pins and glassy surfaces of the chips, emphasizing their intricate microstructures. Dominated by red, gold, and silver tones, the composition is captured from a high-angle, slightly tilted perspective that enhances the sense of depth and progression across the frame."

"bgbngthrys4, A weathered, pixelated portrait of a man with a stern expression and powdered wig dominates the frame, overlaid with a grainy, sepia-toned texture that suggests age and decay. Below the face, a faded timeline marked with years from 1780 to 1860 stretches across the bottom, hinting at historical context. The lighting is dim and atmospheric, casting shadows that enhance the aged, gritty aesthetic, while the dominant colors are muted browns, ochres, and dark grays. The camera is tightly framed on the subject’s face, creating an intimate yet distorted view that emphasizes the fragmented, glitch-like quality of the image."

"bgbngthrys4, A group of men, some in uniform and others in civilian attire, gather around a stretcher where a person lies motionless, suggesting a medical or rescue scenario. The setting appears to be outdoors, possibly near a tent or temporary shelter, with a crowd observing from behind. The lighting is flat and diffused, typical of an overcast day, casting muted shadows and contributing to the somber, sepia-toned palette of browns and grays. The camera is positioned at eye level, capturing the scene in a wide shot that emphasizes the collective attention of the onlookers and the central focus on the individual on the stretcher."

"bgbngthrys4, A group of people in colorful, elaborate costumes—including a bat-themed suit, a red-and-blue star-spangled outfit, a green armored costume, and a yellow lightning bolt shirt—pose together in a lively, cluttered comic book store decorated for New Year’s with a glittering banner and balloons. Shelves behind them are packed with graphic novels and collectibles, and the scene is illuminated by bright, festive indoor lighting that highlights the vivid reds, greens, yellows, and purples of their attire. The camera captures them from a straight-on, eye-level angle, framing the group tightly to emphasize their expressions and costumes against the backdrop of pop culture memorabilia."

"bgbngthrys4, two men stand in a hallway near an elevator, one in a green shirt with a brown bag slung over his shoulder, the other in a brown jacket with a blue hood, facing the elevator panel. The setting is an indoor corridor with exposed brick walls, a patterned tile floor, and warm-toned wall sconces casting soft light; yellow caution tape is draped across a nearby door. The dominant colors are earthy browns, muted greens, and warm yellows from the lighting, creating a cozy yet slightly tense atmosphere. The camera is positioned at a medium distance, capturing the men from a three-quarter angle as they wait, with the elevator and surrounding doors framing the scene."

Training

• Base model: Krea 2 (trained on Raw)
• Type: Style LoRA
• Dataset: 300 images
• Steps: 2000
• Network rank / alpha: 32 / 32
• Learning rate: 0.0002
• Optimizer: adamw8bit
• Resolutions: 512 / 1024

Generation settings

Trained on Krea 2 Raw, and transfers to Krea 2 Turbo for faster generation.

• Raw: ~30 steps, guidance 3.5
• Turbo: ~8 steps, guidance 1.0

The preview images were generated with krea2_turbo_mxfp8.safetensors, at 8 steps, guidance 1, LoRA weight 1.