cd /tmp
:~$ wget -O MediterraneanNight.tar.gz http://goo.gl/VVLUY
:~$ tar -xzvf MediterraneanNight.tar.gz -C ~/.themes
:~$ gsettings set org.gnome.desktop.interface gtk-theme 'MediterraneanNight'
:~$ gconftool-2 --set --type string /apps/metacity/general/theme 'MediterraneanNight'
sudo gedit /usr/share/icons/default/index.theme
[Icon Theme]
Inherits=DMZ-Black 
