look around on deviantart.com
here's some I think you might like:
Google it like "emo kid" or something. =]
Sad Much? =[
Try browsing around on people's myspace/bebo. Often 'scene' or 'emo' kids will have them on their profile. I have a few =]
photobucket babe :]
insert in search: emo,depressed,scene...etc
girls with eating disorders may have those kinda pic's too.