Can you guess what these sites all have in common?

[adultsitecms]

http://www.adultsitecms.com/images/client5.jpg

http://www.adultsitecms.com/images/client6.jpg

http://www.adultsitecms.com/images/client7.jpg

They use AdultSiteCMS version 4.0 (http://www.adultsitecms.com/features). It's your complete turnkey adult photo and video membership site solution.