Advanced
Using custom instructions
The custom instruction box is one of the most underused features in Thumbstop, and one of the most powerful. Rather than leaving it blank and relying entirely on the AI, use it to test specific hypotheses about your audience and messaging.
Examples of effective custom instructions
“Focus on the pain of bloating after meals and position the product as the relief”
“Emphasise the time-saving benefit for busy founders who manage their own ads”
“Show the dashboard in use by someone who looks like a marketing manager at a mid-size company”
“Lead with the social proof angle — this is for a retargeting audience that already knows the brand”