In the same vein as M767 comments, I would think speaking English would be a bonus in tourist areas. Maybe try hooking up with a tour company, or working in a bar that caters to tourists. Of course the old reliable "I've got computer skills" note on your dorm's bulletin board should get you some work.

Pan handler's sign (seen yesterday in Union Square)
My dog has been kidnapped by ninjas. Need money for karate lessons!"
Trust me, that sign was bringing in a few bucks.