Why does my gif avatar not move?

other peoples move, so why don't mine? ive had the same problem on mal too

Because you didn't pre size it.

If you have to crop it in fakku uploader then it breaks the gif.
If you see mine is moving right.

Just tested, yes, the gif uploaded has to be width:160px††by height:260px.

Thank you guys, i will fix it when i return home :3