Save Online videos
Download any any videos you find online (Youtube, Google etc.) to your PC...

[1] Firefox
getfirefox.com

[2] VideoDownloader Plugin
https://addons.mozilla.org/firefox/2390/ Allows file to be saved as a FLV.

[3] FLV player
Download here.

[4] Encode to mpeg, avi etc. (this bit is optional)
Use RivaFLVencoder or super. How to here.