Your comments

Like the pose selector in the character creator, perhaps made to be used with a specific hotkey, so you can walk around wherever and then select a pose to perform. Nothing too complicated like custom poses, just a decent sized set of pre-made ones. If that makes sense ^^

Feel free to suggest your own pose suggestions in here ^^

I think you can just put antlers/horns on a rabbit yes

Feline barbs are already implemented :D