Avatar discussions would probably just go in Voltra Discussions, I think. Maybe Artist Galleries if you wanted to create a thread just to show off your avatar designs. We've discussed subforums in the past that might end up making it to the site, but for now I imagine you'd pick between those two ^^

I might misunderstand what you mean by a closet thread. If you just want to post the cute ones you like, I imagine that's a voltra discussion thing. I don't think we're too strict about forum topics, as long as you can argue it, haha