Custom image generation defaults/instructions

It'd be really convenient for creating some more consistent worlds if we could configure the campaigns to at least pick the Art Style and Theme that is already available, so you don't have character portraits of wildly different styles. Just have a little drop down for which of those drop downs you want to use, or the default image settings.

Ideally, you would also be able to give a broad kind of general set of instructions - ex. ‘Always generate the image with a white background’, ‘always generate the image from the shoulders up’ - again these would really help to just make a consistent world.

It might get a little complex or unwieldy with different defaults/different instructions for like Characters vs POI covers vs Area Maps. But I would rather have those settings be exposed in some additional advanced details rather than just not have them at all.

This is kind of related to

https://play.fables.gg/feedback/en/p/premium-image-generation, but not really the same thing at all - seems like low hanging fruit and could be sweet to be bundled since that area is being looked at anyway!