Jesus wept.
Go to profile.
Get a picture no bigger than 120 x 120 and stick it on some hosting site.
Scroll to bottom and enter the url of your picture. For example the one of you looking gormless you have decided to post is http://s9.postimage.org/owd06wu3v/Photo084.jpg
Press submit.
If still struggling, don’t post again.
If you do pass this task come back tomorrow and I will show you how to tie your shoe laces.