Video Poster Design

Use this skill to create movie-poster-style key art for a video, short film, vlog, TVC, storyboard, or campaign.

The final output is a poster image. When useful, also create a short poster spec or prompt file so the design can be regenerated consistently.

Image Generation Requirement

Poster images must be generated by an image-generation model. Do not create poster artwork with code, SVG, HTML/CSS, canvas, diagrams, placeholder drawings, or deterministic shape scripts. Those methods may be used only for non-visual file operations or optional post-processing after the model-generated poster exists.

Use the built-in image_gen tool by default, or an approved project image-generation workflow when explicitly required. Save or copy the model-generated raster output to posters/{poster-name}.png. If the model output cannot be saved directly, locate the generated raster asset and move/copy it into the required path; do not recreate it programmatically.

Default Behavior

If the user does not specify an aspect ratio, use 3:4.

If the user asks for a poster but has not chosen a creative direction, propose 3-5 poster concepts first and ask them to choose one. Keep the options concise and visually distinct.

If the user already gives a clear direction, title, ratio, and story context, proceed directly to image generation.