Videoblog1(flash)
From Superuser Wiki
This video looks at a few peripherals on Ubuntu and describes how the video is recorded.
Download from Internet Archive
Download from Superuser Video and Screencasts in Ogg Format .
Copy this link and paste 
feed.xml into your aggregator
(e.g. Juice
or iTunes).
You may need Vlc Media Player to watch these videos, Vlc is Free Software