Xvid films! wot codecs

does any one know wot codec pack do i need to open xvid files?
please help.

Download VLC, videolan player. Plays most things and comes in handy -

http://www.videolan.org/vlc/

i got that player already but hav not idea how to get it workin. just wont play anything at all

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

Also, try this application: http://www.free-codecs.com/download/GSpot.htm

It will look at a file and tell you what codecs you need.

thnx 4 that.problem solved.thnx guys