Last year I was able to take photos of some street entertainers in Sydney (near Circular Quey) providing entertainment when you give them coins. They will just stand there for hours and will only move once you put coins in their cans.
Join as Photohunt.
MY other entries:
http://jennytalks.com/2009/08/photohunt-bee-entertainment.html
http://www.theideazone.net/2009/08/photohunt-entertainment/