As mentioned just make it a studio thing, and let us change Anna's expression, posture, accessories and outfits. Then take a picture, but not like the standard CG picture just a screenshot with the Polaroid frame. Bit like when you create a character in an MMORPG? Could even turn into a mini game where Anna gets requests from subscribers for different looks?
The issue with this is that is not suitable, just something simple as let's say: 3 expressions, 3 accessories to select from, and 3 outfits would mean 27 different cgs created, for a single posture, to account for the combinations that can be made; add 3 postures and you see where more issues lay.
If everything continues as planned, yes, there will be one more invite to the studio.
Surely all CGs do not have to have so much focus and manually done though. For a bit of a fun mode it could be done with AI? That being said maybe not a studio feature then, but just a little pass time feature in the wardrobe? Would be really nice just to get to customise Anna in some way, maybe if not this Arvus can think of some way to appease this long asked request?