Start with a digital camera.
Resize the picture down to 100x100 pixels approx (possibly using PAINT).
Click on your name to reach your profile.
Click on CHOOSE FILE (next to image).
Also, you'll need to refresh your browser cache for you to be able to see the picture.
These threads contains some hints on general image editing:





Could some kind person please tell me how to get a photo and add it to my profile? Thanks a lot!