This simple and brief tutorial is going to show you a simple tool that replace your boring default wallpaper with a completely animated OpenGL wallpaper. Livewallpaper replaces your current wallpaper with an animated wallpaper. At the moment you can choose between the following live wallpapers:
Hit Ctrl+Alt+T to open up a terminal, then run following 3 commands to install livewallpaper in Ubuntu 12.10 & 12.04:
sudo add-apt-repository ppa:fyrmir/livewallpaper-stable
sudo apt-get update
sudo apt-get install livewallpaper livewallpaper-config livewallpaper-indicator
After installation, launch livewallpaper from Unity Dash and you get the animated desktop. Launch livewallpaper-config or indicator to switch and configure wallpapers.