Social psychology on Wikipedia, and Gottfried Helnwein
I also discovered the artist Gottfried Helnwein after a period of browsing random images uploaded to Livejournal. He's absolutely brilliant though, sadly, none of his best art seems to be available as posters or prints.
Beautiful Victim I
watercolor on cardboard, 1974, 53 x 73 cm / 20 x 28''