In this tutorial we will help you install and enable the Radiamentary theme under Ubuntu 11.10 Oneiric Ocelot. This GTK3 theme is based on Elementary and Radiance. A screenshot of Radiamentary under Oneiric (Unity):
You can use the Awoken icon theme with Radiamentary to beautify it, or select another icon theme of your choice from this list.
Open the terminal and run these commands:
wget -O radiamentary.zip http://goo.gl/KHizT
unzip radiamentary.zip -d ~/.themes
Use Gnome Tweak Tool to enable Radiamentary, or run simply these commands:
gsettings set org.gnome.desktop.interface gtk-theme 'Radianceblue_0_66'
gconftool-2 --set --type string /apps/metacity/general/theme 'Radianceblue_0_66'