how do I change my photo?

You go to your profile!
click on "Photos"
Will open the page and have written something like "upload photo"
So you click
Will open, and you click to select the file.
If you want the picture as icon and just click a box below. Written "Make this image my user icon"
click in Image Submit.
Ready! Very simple!

I hope this helps you! :D

so simple just click on the pic