If you want to maximize income from your website, you need to remember about mobile version of your site, which is becoming more and more important.
The best way to go is to try the following two, on each of your sites:
Bitter Strawberry, and
Sex Goes Mobile
You may also want to check the following two:
First Mobile Cash
VPS Mobile
They may turn out to be even better too, as not everything is good for everybody. The last two websites are more specialized.