i pasted a link on my edit avatar page and the avatar appeared in his place but on set avatar section, use forum avatar, is not working. button is there but still blackened. i tried ti hit the reset button in the edit avatar page on tha forum but is not working. i understand that if the avatar is there then any link should be good and working. but still no way to make it load on my profile. whats tha solution? how can i setup my avatar to work?

Try clearing your cache and cookies, after uploading your avatar to the forum.