You can run video sites with vshare. I don't understand what you mean by clone. With vshare, if you need adult site, you need to upload adult videos.

You can check sites using vshare at

Showcase Your Site - BuyScripts Forums

Vshare have default black template. That may suitable for adult sites.

To see black template, go to

FilmShare - Share Your Videos

You can get any designer to customize template to your needs. We do template modifications, but not for adult sites.