Saw this, hope it helps someone:

Van Wagner Aerial Media, LLC, an industry leader, needs Banner Tow Pilots. Commercial a must,
tail wheel endorsement a plus. Tail wheel experience and/or an A&P desired. Up to $40 per hour
plus housing and per diem provided. We fly nationwide, coast to coast, year round. Training
starts now.

VAN WAGNER AERIAL MEDIA Banner Tow Pilots Southern FL, Tel: Fax: 954-989-2391 Web site: www.vanwagner.com/aerial

Looks like they have spots all over USA