Sample url: http://store.steampowered.com/video/105600/
Steam video is an misc streaming site that features tons of
for you viewing pleasure.
The site has an Alexa rank of 176, which is considered to be quite good.
To download Steam video 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 Steam video is coming soon.