This is something we were talking about at work today - our under age 21 jobs.
What jobs put some cash in your pocket?
Ice cream shop
Waitress at Pizza Hut
Cafeteria worker (campus)
Telemarketer (VERY brief, I hated it and was awful at it!)
Grocery store cashier
Most loved: grocery store cashier (pushed cash register buttons back then!)
Most lucrative: Waitress - the tips were pretty good!
Most boring: temporary receptionist.
Be sure to list your "most" categories too. :)