SOCIAL MEDIA

Reel Thumbnail Variant Generator from Figma

After a Figma reel is rendered, this workflow generates three AI cover-image variants from the frame's hook text, posts them to Slack for a pick.

CategorySocial Media
Enginesim
Difficultyintermediate
Triggerwebhook
Steps6
Setup~15 min

How it runs

The automated pipeline, trigger to output.

  • TriggerReel clip finished renderingHTTP webhook
  • ActionRead hook text from Figma frameFigmaFigma
  • ActionGenerate three thumbnail variantsImage generation
  • ActionPost variants to Slack for selectionSlack
  • LogicAttach chosen thumbnail to reel
  • OutputQueue reel with thumbnail for postingSocial publishing

What it does

Generates and selects a scroll-stopping thumbnail for each reel. Once the captioned ElevenLabs clip is built from a Figma frame, it creates three AI cover-image options based on the frame's hook line, posts them to Slack for a quick pick, and binds the winner to the reel before it goes into the posting queue.

When to use it

Use it when thumbnail quality drives your reel performance and you want fast A/B-style choices without a designer mocking up covers each time. Pairs well with teams optimizing click-through on feed previews.

How it works

  1. 1A webhook fires when a reel clip finishes rendering from a Figma frame.
  2. 2The frame's hook text is read to seed cover prompts.
  3. 3An image model generates three thumbnail variants.
  4. 4The variants are posted to Slack for the editor to select one.
  5. 5A logic step captures the chosen variant and attaches it to the reel.
  6. 6The reel with its selected thumbnail is queued for multi-platform posting.

Set it up

What you configure once, before turning it on.

  1. 1
    Connect FigmaFiles, frames, comments, assets.
  2. 2
    Connect Image generationManaged Nano Banana image renders, metered per image.
  3. 3
    Connect SlackChannels, DMs, threads, mentions.
  4. 4
    Connect Social publishingCross-post to X, LinkedIn, Instagram, TikTok, and 4 more in one call.
  5. 5
    Connect HTTP webhookTrigger any URL on agent actions.
  6. 6
    Set each agent's modelWe leave models unset so you pick the tier — fast + cheap, or top-quality.
  7. 7
    Tune it to your dataEdit the prompts, filters, and field mappings so it matches how your team works.
  8. 8
    Test, then turn it onRun once against a sample, confirm the output, then enable the trigger.

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