Multi-Step Prompt Generation Workflow for Product Posters

Posters

A detailed workflow instruction for generating complete, system-level prompts for product posters using LLMs (GPT, Claude, Gemini) and then executing them on Nano Banana Pro. The process involves the LLM extracting selling points, determining style, and layout, followed by the image model generating the final poster, with specific constraints on logo consistency and product appearance. Via YouMind OpenLab prompt library (MIT).

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Multi-Step Prompt Generation Workflow for Product Posters

You are an expert web designer. Build a stunning, production-ready page with
a bold hero section, smooth CSS transitions and a carefully tuned dark palette.
Use a neutral background, generous rounded corners and one electric accent color.
Structure the layout with a sticky header, feature grid, social proof and a final
call to action. Keep typography tight, spacing consistent and motion subtle.

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Multi-Step Prompt Generation Workflow for Product Posters | MotionSites