Here's Sponsors with BBW/Fat paysites:
Fat Pays - Young Fatties, Plumper World,Plump Mature, Video Fatties ($50 starting bonus)
Incredible Dollars - BBW Incredible Pass, BBWDepot
SPACash V2.0 - Big Fat Beauties, Enormous Babes, 9Buck Fat Girls
Cash Maniacs - Chunky Angels, Nasty Fatty, Fatty Chasers, Fatty Gangbang
Pimproll - Real Big Nudes
Flash Cash - Big and Slutty
Archive Cash - BBW Vault