You didn't post a valid URL.

Anyway MySpace uses simple HTTP streams and they are very easy to download:

You can use online services like http://download-youtube-videos.org/ to download from MySpace.

You can use freeware Freecorder 4, Jaksta Free Media Recorder to download MySpace videos.

You can use Replay Media Catcher to download or capture MySpace videos.

See the following FAQ for more:
FAQ: How to record/download/capture/save Adobe Flash .FLV video HTTP stream from embedded player