help

hey...anyone onlyn...cn sumone help me in changing my profile picture...I m logged in but everytime I am trying to post it with a picture, they are telling me to log in first...I have changed my picture before but now i am having some difficulty...I am really sorry to post our topics lyk this but i just need a little help...then this topic can be removed
Please...anyone out there...help me...I just read there are 12629 Active user onlyn ryt now...so please...anyone of u...help me with what steps I should take...