An audio and a video file have been selected as a part of Ubuntu Free Culture Showcase for Ubuntu 10.10. The files will be placed in 'Examples' folder under your home directory.
The Selections are:
How fast does your PC boot? - Ubuntu from Goce Mitevski on Vimeo.
Source: Ubuntu Free Culture Showcase Vimeo Group
Note: The background music is different for the video in official package.
Josh Woodward: Swansong by Joshwoodward
Source: Ubuntu Free Culture Showcase Soundcloud Group
Expect an update in Maverick anytime but you can download the tarball from here and have a look. More content under examples folder will follow soon.