Short bio: Computer Scientist, FOSS supporter (read more)
Tux Machines (TM)-specific
A month ago, Mark Shuttleworth announced a dedicated page for user contributed videos covering various aspects of the upcoming Ubuntu 10.10 "Maverick Meerkat". And similar to the user contributed Ubuntu Artwork wallpaper pool at Flickr, the movie section is also getting a lot of attention from the users. Here is a nice collection of videos from the original submissions.
This is the best among the lot IMO. Video is basically a quick preview of the upcoming Ubuntu 10.10 release. Sorry about the annoying advert at the start of the video.