Free if you keep the copyright info at the bottom.
Demo:
http://www.tserio.com/
More info:
http://forum.tserio.com/index.php?topic=111.0
Of course you can use it for adult sites too.
Demo:
http://www.tserio.com/
More info:
http://forum.tserio.com/index.php?topic=111.0
Of course you can use it for adult sites too.