It is one of the most platform-independent players available, with versions for Linux, Microsoft Windows,Mac OS X,BeOS, BSD, Windows CE, and Solaris.
Download VLC Player here
Install VLC Media player in Ubuntu
You need to make sure that you have a “universe” mirror in your /etc/apt/sources.list
sudo apt-get update
sudo apt-get install vlc vlc-plugin-esd
This will complete the installation
If you want to open VLC You need to go to Applications--->Sound&Video--->VLC Media Player
Once it open you should see the following screen
VLC Media Player Version Details
VLC Media Player Skins 2 interface
VLC Media Player Skins
If you want to download VLC Media Player Skins check here
Install VLC Plugin for Mozilla Firefox
sudo apt-get install mozilla-plugin-vlc