The links are only on the main page for the screencast, and not on the pages for each size and format. So for example http://screencasts.ubuntu.com/MoS2007/02_Linux has the link you mention, but http://screencasts.ubuntu.com/MoS2007/02_Linux_Ogg_Large doesn't. Sorry.
Sorry about that
The links are only on the main page for the screencast, and not on the pages for each size and format. So for example http://screencasts.ubuntu.com/MoS2007/02_Linux has the link you mention, but http://screencasts.ubuntu.com/MoS2007/02_Linux_Ogg_Large doesn't. Sorry.