here you'll find them all:
http://www.signbucksdaily.com/sites/list/niche/2008/
good luck
Just ExGirlfriends contains photos, videos in following niches:
STRAIGHT: amateur, girlfriends, hardcore, homemade, selfmade
Partnership:
Slammed Cash (2 sites, CCBill AP) Webmaster's payout: $25, weekly
Pay method: check, wire, wire US
Raw Girlfriends contains photos, videos in following niches:
STRAIGHT: amateur, girlfriends, hardcore, High Quality, homemade, selfmade, teen
Partnership:
GF Bucks (3 sites, CCBill AP, NATS) Webmaster's payout: $25, weekly
Pay method: check, wire, wire US
Real Teen Picture Club contains photos, videos in following niches:
STRAIGHT: amateur, blow job, couples, girlfriends, hardcore, homemade, selfmade, solo, teen
Partnership:
Real Teen Picture Club (6 sites, CCBill AP) Webmaster's payout: $25, weekly
Pay method: check, wire, wire US
Bonus: multisite access (6 sites)
My Big ExGirlfriend contains photos, videos in following niches:
STRAIGHT: boobs, girlfriends, selfmade
WIDE FETISH: bbw / phat
Partnership:
Silent Bucks (6 sites, CCBill AP) Webmaster's payout: $25, weekly
Pay method: check, wire, wire US
