Banner towing is one of the hardest jobs that anyone could have. You fly in pretty much anything. You get hundreds of hours of tailwheel time...and since you are flying (typically) by the beach, you can get some pretty interesting winds.
Stick and Rudder Baby!!!!!!
But if you don't want to do that, or instruct...how about flying skydivers? There are some adds on climbto350 for skydiver pilots. A few of the adds are in Hawaii and out West. Check it out...