Make sure you have Macromedia Flash installed so that anims and flash websites work;

http://www.macromedia.com/downloads/

Get the Quicktime Alternative that allows you to play Quicktime type files in Windows Media Player,

http://www.codecguide.com/download_qt.htm

And Real Player

http://www.free-codecs.com/download/...lternative.htm

Make sure you have the DivX codec aswell

http://www.divx.com/divx/

If I think of some more I'll post em up