1: get imaj
2: resize it to 75 height and 75 width i thinks
3: rename it to avatar_(RANDOMASSNUMBERGOESHERE).jpg or png.
4: go to profile
5:go the the page where you change your profile info
6: you shalleth see this:
7: clickaroo I will upload my own picture
8: click choose file
9: pick the pic you want to pic as your profile pic
10: ???
11: it should be your avatar