Hostedtube.com from pimproll. If you just want paysite ads, you can toggle it in the admin.
Demo:
http://www.povpornvideos.com
There's also EasyXSites.com
EasyXSites demo:
http://www.Erotivision.com
And SmutNode.com
SmutNode demo:
http://www.BizarroTube.com