Well it's like this. First, right click the avatar then go to "Save As picture" and save it as JPEG under desktop. Then come back and go to "Pick Avatar" or "Profile" and go to Browser. Find the avatar and open it, then upload it, and there you go.
All those who show true wisdom, will live to see the wonders of the Kingdom, Hale to the King Of Games. Join Team "Royal Kingdom$$$$"