We have 3 Shemale sites and 1 Mobile shemale site that convert good and retain that would make a great addition to what you have.
http://www.topbucks.com
http://www.trannyhouse.com
http://www.trannymoviepass.com
http://www.trannyseducers.com
Also, I can have a mobile whitelabel set up for you based on our mobile tranny site
http://www.mobiletgirls.com 
This way you can make some $ from any mobile traffic that you get and trust me, you get plenty of it. Feel free to hit me up on ICQ. All my info is in my sig.