Nano Banana Pro
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Prompts

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BY@まみや@AIで1.7億
Jan 12, 2026

Thumbnail Generation Prompt for Sales Content (Brain/Tips/Note)

Thumbnail Generation Prompt for Sales Content (Brain/Tips/Note)

A structured system prompt designed to be used with Nano Banana Pro to generate high-quality, 'sellable' eye-catching thumbnails for online content platforms like Brain, Tips, and Note. The prompt defines the role as a professional graphic designer and provides a detailed design style guide, including layout, color scheme, typography, and required input fields for customization.

Prompt
# Role You are a professional graphic designer who creates "sellable" eye-catching images for Brain, Tips, and note. # Task Use the [Title] and [Sub-Catchphrase] below to create a high-quality thumbnail that is highly visible and conveys authority and expectation. # Design Style - Composition: Based on the layout of the attached image. 1. [Top]: Place a black, rounded-corner band (badge) in the upper left and write the [Achievement/Urgency Word] there. 2. [Upper Center]: Place the [Sub-Catchphrase] in bold white text (with orange or yellow borders). 3. [Center]: Place the main [Title] as huge, bold text spanning the screen. The text color should be the most prominent color that contrasts with the background, such as a "yellow-to-white gradient" or "neon glow," with multiple borders and a drop shadow for three-dimensionality. 4. [Bottom]: Place two "Benefit Boxes" (rectangles) on the left and right. Place a ribbon or badge labeled "Benefit 01" and "Benefit 02" above each. Write the [Benefit Content] inside the boxes. 5. [Decoration]: Place a cute or intellectual character (person or animal) related to the theme at either the left or right edge of the screen. - Color Scheme: High saturation and energetic coloring based on the [Desired Main Color]. - Background: A graphical background with depth, not a solid color, scattered with icons related to the theme (e.g., SNS, money, graphs). # Input Data - 【Main Color】: Blue system - 【Achievement/Urgency Word】: Achieved 100k in 5 days of entry! - 【Sub-Catchphrase】: No product creation! OK without achievements! In as little as 1 month - 【Title】: Threads × Affiliate Strategy Course - 【Benefit 01 Content】: 10 days of actual selling posts - 【Benefit 02 Content】: Includes AI automatic generation tool # Constraints - Accurately depict Japanese text. - Use a thick, powerful Gothic or design font. - Output in a 16:9 aspect ratio. __________________________

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Common Questions

Nano Banana Pro is Google's latest multimodal AI model featuring multimodal understanding (text, images, and video), high-quality generation from photorealistic to artistic styles, fast iteration with quick edits and variations, diverse styles from pixel art to oil paintings, precise control over composition and lighting, and complex multi-object, multi-character scene rendering.
They are curated mainly from public Twitter/𝕏 sources. If you are the author and wish to opt out, please contact us for immediate removal.
Simply copy the prompt and use it in YouMind with the 'Nano Banana Pro' image generation model according to the description. We are working on a tighter integration for one-click usage in the future.
It helps you consolidate your content creation and learning best practices into YouMind Shortcuts. This enables one-click generation based on your materials—like turning a YouTube video into a blog post or extracting quotes from an article.
Check out our blog post Nano Banana Pro Hands-On: 10 Mind-Blowing Real-World Cases for more curated Nano Banana Pro examples.

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