You are right, doesn't matter much. Tried gnome prompt with empty custom prompt for gpt-4v
https://dalle.party/?party=nvzzZXYs.
Then used a custom prompt to return short descriptions which resulted in
https://dalle.party/?party=Qcd8ljJpAnother attempt: https://dalle.party/?party=k4eeMQ6I
Realized just now that the dropdown on top of the page shows the prompt used by GPT-4V.