Sample url: http://www.ustream.tv/recorded/20274954
USTREAM is an video streaming site that features tons of
videos for you viewing pleasure.
The site has an Alexa rank of 2504, which is considered to be quite good.
To download USTREAM videos you can't use the dl-trick but you can always just copy-paste it or use our bookmarklet shown in the top menu.
More info about USTREAM is coming soon.