In this tutorial we will help you install the Ghnomix icon theme under Ubuntu 11.10/12.04. Ghnomix icons look superb and can be used with both Unity and Gnome Shell. Here is a screenshot of some of the icons used by Ghnomix:
Open the terminal and run this sequence of commands:
sudo apt-get install p7zip p7zip-full
cd /tmp && wget -O ghnomix_1_3.7z http://goo.gl/BXoTl
7z e ghnomix_1_3.7z && tar -xzvf Ghnomix.tar.gz -C ~/.icons
Enable now this icon theme with Gnome Tweak Tool, or run the following command from the terminal:
gsettings set org.gnome.desktop.interface icon-theme 'Ghnomix'
Some screenshots of Ghnomix under Ubuntu Oneiric:
For more icon themes, click here. Credits for this icon theme goes to ilnanny75, check his page here.