Movie Dollars aka Hot Movies has the mother load of extreme videos, more selection than any other site i know of.
Check out these links-
http://www.hotmovies.com/category/15...ns/?vod=227999
http://www.hotmovies.com/category/24...as/?vod=227999
http://www.hotmovies.com/category/47...ro/?vod=227999
http://www.extremevod.com/most_popul...=227999,1,Main
all in the categories-
http://www.hotmovies.com/categories.php
they are adding new ones everyday.
and of course you can make custom theatres and ADD links to your own sites within the theatres and control the look of the theatre.