PlugRush baby, plugrush.
They have a beautiful interface. With amazing easily customizable ads.
Plugrush isn't just an advertising network, they also have traffic trades. So you can trade traffic with other adult webmasters.
I personally love the referral system:
I don't even work with adult websites anymore, I just have referrals and I'm trying to get lots of referrals through tumblr in hopes of making $$ in the long run.
If you sign up, please sign up under my ref link. that'd be awesome.
It's in the signature.