i've read a number of threads where the poster just didn't understand to click on the photo icon, in the edit screen, of the contact. but i have a much different problem:
I'm running an S3 on Android 4.1.1. I can edit the photos of my google contacts in my phone, but not my contacts that i have input by hand. I can't even edit their ringtones. In edit I have no options for my hand-input contacts except for Name, Phone, Email.
Where there should be a photo prompt there is only the square-ish SIM logo