I haven't been able to play videos from here. I tried Moonlight, but it doesn't show an image, just sound, and sometimes some part of the image, but mostly a black canvass. Thanks.
Yes, you can extract the url from the HTML-source and use mplayer:
The playback (audio/video) works fine on a Ubuntu 11.04 system.
You can automate this a bit, e.g. via: