True, but there's no thread dedicated to any backgrounds (or any in that thread). This thread is meant to be a place to share epic backgrounds.
I have far too many to simply start posting them. However, if there's one you'd like for yourself, tell me and I can probably provide it.
No, I have to host each one I post, so I'll need a theme or something specific. I change my own every couple of weeks, but here is what I'm using now.