deb http://packages.linuxmint.com/ debian main upstream import backport romeo
  deb http://debian.linuxmint.com/latest testing main contrib non-free
  deb http://debian.linuxmint.com/latest/security testing/updates main contrib non-free
  deb http://debian.linuxmint.com/latest/multimedia testing main non-free

 # Virtualbox
 deb http://download.virtualbox.org/virtualbox/debian squeeze contrib non-free
 # deb-src http://download.virtualbox.org/virtualbox/debian squeeze contrib non-free