ese are the best pornstar sponsors and they all have free content.
Pornstar Dollars - Individual sites for many pornstars, PPS or recurring
Pornstar Bucks - Individual sites for many pornstars, recurring, new Tera Patrick site!
Medium Pimpin - GlamourModelsGoneBad - Official site for CrissyMoran and Penthouse Pet Natalia Cruze, 60% revshare and no trials
Vivid Cash
Also you could check out:
Ce Cash
Top Bucks
Promote ScreenSavers and Desktop Strippers - Some famous models.. Aria Giovanni, Sunny Leone, Nikki Nova, Annie Marie Goddard
Totem Cash
With free hosted galleries inc movie galleries