By far the best selling exclusive sites in the niche are:
StraightCumSwap.com
StraightFuckFest.com
CumFilledBoys.com
PrideMov.com
I have even more bigger and better sites on the way very very soon
GayGravy.com is where you can join to push these sites - Also, hit me up or one of my guys for a killer long term high PPS.