First click on your user name, which should take you to your "profile" page. ?In the top, right corner, you will see "modify", click on that. ?It will then ask for your "password", type that in and click confirm password. ?You will now be at the "Edit Profile" page, ?along the top, click on "options." ?Scroll down and you will find, "I have my own pic," check the little box, and on the line to the right, enter the URL for the picture you want to use. ?After entering the URL, scroll to the bottom of the page and click on "change profile," and you should now have your picture uploaded onto your profile. ?
Hope this helps!