For more information about VLC...
To download VLC:
 
http://www.videolan.org/vlc/
 
For more information about specific file formats or features:
 
http://www.videolan.org/vlc/features.html
 
Operating System specifications:
 
http://wiki.videolan.org/VLC#Use_VLC_on_your_OS
 
The VLC wiki (written in part by the creators of VLC):
 
http://en.wikipedia.org/wiki/VLC_media_player
 
 
(All screenshots courtesy of VLC)