A lot of site, a few listed as below:
Lepak.tv
Metacafe
Youtube
Veoh
Guba
Dailymotion
Google
Yahoo
Flurl
LiveVideo
realvideosite
Str8Up
sharkle
motion-tv
grouper
Broadcaster
iFilm
Lemonzoo
Yikers
JustFightVideo
Funnyearth
shoutfile
Flicklife
Vuals
Topredline
Bliptv
Myspacetv
Youmaker
LeechVideo
Ouou
Youku
56com
Youmaker
Tudou
Tagged
VideoJug

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NOT suitable for under 18:
Adumper
Evilchili
damnbang
vidmax
humorOn
machovideo
bestcrazyvideo

For Adult Only
Xtube
Redtube
Timtube
Orgasm