Try these, they have IM ads (for amateur traffic and cam traffic):
AmaKings ($30 PPS or 60% Revshare)
AWE ($40 PPS or 30% Revshare)
Nice Ratios ($30 PPS or 50% Revshare)
Pretty In Cash ($30 PPS or 50% Revshare)
See My Bucks (50% Revshare - CCBill)
Skin Video (up to $50 PPS or 50% Revshare)
Video Secrets ($50 PPS or 35% Revshare and 50% Recurring)