I just completed the game (100% gallery) and it is pretty good.
I read on the developers post on ci en that you can mess with the clothes via "mods" and I went and mess with it
You can have fun and make her look like this
non-torn clothes
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torn clothes
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Changing her clothing are actually pretty simple, just dig thru the game files.
You could also change the standing pictures, although it is not worth it at the moment.
The clothing modification does apply in the gallery too, some textures wont be replaced tho.
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I hope the dev would add more outfit and animations in a future DLC.