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From nano-banana-prompts
Generates optimized prompts for Gemini 2.5 Flash Image (Nano Banana) using best practices for photorealistic shots, art styles, and multi-turn editing workflows.
npx claudepluginhub secondsky/claude-skills --plugin nano-banana-promptsHow this skill is triggered — by the user, by Claude, or both
Slash command
/nano-banana-prompts:nano-banana-promptsThe summary Claude sees in its skill listing — used to decide when to auto-load this skill
Generate high-quality prompts for Gemini 2.5 Flash Image using proven best practices from October 2025.
Guides interactive prompt crafting for Nano Banana Pro Gemini image generation via reference gathering, intent-clarifying questions, and technique selection.
Generates AI images from text prompts, edits images, and composes from multiple references using Gemini models. Supports t2i, i2i, product mockups, and stickers.
Generates and edits AI images using Google Gemini Nano Banana models. Orchestrates text-to-image, image editing, batch workflows, presets, and creative sessions via /banana or auto-triggers on image requests.
Share bugs, ideas, or general feedback.
Generate high-quality prompts for Gemini 2.5 Flash Image using proven best practices from October 2025.
Describe scenes naturally, don't list keywords.
❌ woman, business suit, office, professional
✅ A professional businesswoman in navy suit stands confidently in modern glass-walled office overlooking city skyline. Warm afternoon light streams through windows.
A [SHOT TYPE] of [SUBJECT] [ACTION] in [ENVIRONMENT].
[LIGHTING] creates [MOOD]. [CAMERA/STYLE DETAILS]. [ASPECT RATIO].
Photorealistic [SHOT TYPE] of [SUBJECT], [ACTION], in [ENVIRONMENT].
Illuminated by [LIGHTING], creating [MOOD]. Captured with [CAMERA/LENS],
emphasizing [DETAILS]. [ASPECT RATIO] format.
Lenses:
Lighting:
Settings:
Professional corporate headshot of mid-30s woman with shoulder-length brown hair
in charcoal blazer. She's smiling warmly at camera against soft gray backdrop.
Shot with 85mm f/2.0, studio three-point lighting creates gentle shadows defining
facial features. Ultra-high resolution, LinkedIn-ready quality. 1:1 format.
[STYLE] illustration of [SUBJECT] [ACTION/POSE]. [COMPOSITION] with
[COLOR PALETTE]. [TECHNIQUE/MEDIUM]. Inspired by [REFERENCE],
emphasizing [QUALITIES].
Watercolor illustration of young girl reading book under oak tree. Seated
cross-legged in sun-dappled clearing with wildflowers. Soft, loose brushstrokes
with pastel color palette of greens, yellows, pinks. Transparent washes create
dreamy, ethereal quality. Inspired by children's book illustration, emphasizing
wonder and tranquility. 4:5 portrait format.
Best Practices:
Example:
Movie poster with bold red text "SUMMER" at top and "Adventure Awaits"
in white script font at bottom. Ocean sunset background. Cinematic style.
Nano Banana excels at conversational editing. Make one change at a time.
Example sequence:
High-resolution product photo of [PRODUCT] on [SURFACE]. [LIGHTING]
to [PURPOSE]. Camera angle: [TYPE] to showcase [FEATURE]. Ultra-realistic,
sharp focus on [DETAIL]. [ASPECT RATIO].
High-resolution product photo of stainless steel smartwatch on white marble
surface. Soft diffused studio lighting from 45-degree angle to minimize
reflections and show screen clearly. Camera angle: slight overhead to showcase
circular face and metal band texture. Ultra-realistic, sharp focus on watch
face display. 1:1 format for e-commerce.
[TYPE] landscape of [LOCATION] at [TIME]. [WEATHER/ATMOSPHERE].
[FOREGROUND ELEMENTS]. Shot with [LENS] from [VANTAGE POINT].
[COMPOSITION]. Professional landscape photography with [GRADING]. [MOOD].
Dramatic landscape of mountain lake at golden hour. Wispy clouds catch
warm orange light over snow-capped peaks. Weathered dock extends into
mirror-still water as foreground. Shot with 16mm wide-angle from low
lakeside vantage. Rule-of-thirds composition places horizon in upper third.
Professional landscape photography with warm color grading. Serene yet majestic.
[MOVEMENT] abstract exploring [CONCEPT]. [COMPOSITION] with [COLORS/TEXTURES].
[MEDIUM] emphasizing [GOALS]. [CONTEXT].
Bold geometric abstract exploring tension and harmony. Overlapping angular
shapes with vibrant primary colors against deep black. Digital art emphasizing
sharp edges and color interaction. Large-scale wall art format, 16:9.
Avoid:
Instead:
When requesting specific artistic styles, reference:
✅ Subject clearly described ✅ Action or pose specified ✅ Environment/setting detailed ✅ Lighting source and quality ✅ Mood or atmosphere ✅ Style or technical specs ✅ Aspect ratio chosen ✅ Complete sentences, not keywords
Issue: Generic or vague output Cause: Prompt too short or lacks specificity Solution: Expand to 50-100 words. Add lighting details, mood, and specific technical specs (lens, style, etc.).
Example:
Issue: Conflicting style instructions Cause: Mixing incompatible styles (e.g., "photorealistic watercolor") Solution: Choose one primary style. For photography, use camera terminology. For art, use medium/technique terminology.
Issue: Text rendering failures Cause: Too much text, complex fonts, or unclear positioning Solution:
Issue: Unwanted elements in image Cause: Ambiguous phrasing or conflicting descriptors Solution: Be explicit about what should NOT appear. Use precise, unambiguous language.
Issue: Image doesn't match prompt Cause: Prompt too complex or contradictory elements Solution:
Issue: Inconsistent results across generations Cause: Vague descriptors allowing wide interpretation Solution: Add specific details about colors, materials, lighting angles, camera settings, and composition rules (rule of thirds, golden ratio).
Issue: Poor composition Cause: No compositional guidance in prompt Solution: Explicitly mention composition rules:
Issue: Too many changes at once causing confusion Cause: Requesting multiple edits simultaneously Solution: Make one change per turn. Wait for result before next edit.
Example sequence:
Issue: Losing context from earlier turns Cause: Vague references without reinforcing key details Solution: Briefly reinforce context: "In this mountain landscape, add a hiking trail in the foreground"
Before submitting a prompt, verify:
For Photography:
For Art/Illustration:
If prompt includes text:
Generate image and evaluate:
If image doesn't match expectations:
Step 1: Identify the gap
Step 2: Use multi-turn editing
Step 3: Refine prompt for future use
For critical images, generate 2-3 variations with slightly different prompts:
Version A: Medium detail (50-75 words) Version B: High detail (100-150 words) Version C: Different style/lighting approach
Compare results to find optimal prompt verbosity and approach.
Prompt:
Photorealistic close-up portrait of elderly fisherman with weathered hands mending
fishing net at dawn. Seated on wooden dock with misty harbor in background. Soft
golden light from rising sun creates warm rim lighting on his profile. Shot with
85mm f/2.0 creating shallow depth of field, net and hands in sharp focus while
background gently blurs. Contemplative and peaceful mood. 4:5 portrait format.
Validation:
Expected result: High-quality, detailed image matching all specifications.
| Problem | Likely Cause | Fix |
|---|---|---|
| Blurry/low quality | Missing technical specs | Add camera, lens, "ultra-high resolution" |
| Wrong colors | Vague color description | Specify exact colors, hex codes if needed |
| Bad composition | No compositional guidance | Add "rule of thirds", "centered", etc. |
| Missing elements | Element mentioned too late | Put critical elements early in prompt |
| Generic look | Keyword listing | Rewrite as natural sentences |
| Text garbled | Too much text | Reduce to <25 chars, simplify font |
| Wrong style | Conflicting instructions | Choose one consistent style |
| Unexpected objects | Ambiguous phrasing | Be more explicit and specific |