IIRC they provide some mechanism for fine-tuning: they showed a demo where you could erase portions, re-prompt and have it re-generate in the deleted area. It

IIRC they provide some mechanism for fine-tuning: they showed a demo where you could erase portions, re-prompt and have it re-generate in the deleted area. It seems like a pretty good general way to work toward specific requirements, though I haven't tried it.