http://ubuntusatanic.org/installation.php. This is a an awesome theme pack for Ubuntu and Linux Mint that will install a satanic theme for Linux computers. This is well worth a look if you want a nice dark theme for your computer that is a little different to the usual themes from gnome-look.org. More information here: http://ubuntusatanic.org/news/about/. The wallpapers are nice and the website has some lovely satanic artwork as well. There are two theme packages available; one for Ubuntu and another for Kubuntu. Each is easily installed and provides a lovely dark desktop theme. The dark Inhuman theme is pictured to the left. This is an indication of what the desktop wallpaper and GTK theme looks like as well as the icons.
Download this now and revamp your desktop with some healthy satanism!