In her site specific project "hello," aleksandra mir creates funny visual relationships between photos of barely connected people. i like the "we are the world" feeling this has. take a look at the san francisco version here, an australian version here, and some of her other work here.
[all aleksandra mir from the series HELLO (san francisco) 2000. top to bottom: hillary rodham clinton/santa claus. santa claus/sophie weil roth. sophie weil roth/her father michael.]