You know, in my profile, there is a option where you could put a photo that will be on when you post? I know how to browse a photo and put it on, but how do I make it animated? How do I make it moves and things like that? Let's say I upload a superman photo, and I want to make him fly, how? Thank you :)

The ones that move are animated gifs, if you Google -
How to make animated gifs

Many links will come up

Here are 2
So, You Want An Animated .gif, Huh?

Picasion - Create GIF Animations online - Create avatar from Picasa Web or Flickr