Ambiance-DS-Blue theme for Ubuntu 13.04/12.10/12.04/Linux Mint/other Ubuntu derivatives (GTK)

Install Ambiance-DS-Blue GTK theme in Ubuntu 13.04 Raring/Ubuntu 12.10 Quantal/12.04/Linux Mint/other Ubuntu derivatives

Ambiance DS Blue is dark theme with blue lining. It is based on Ambiance theme and works well with current GTK versions. This theme tested on Ubuntu 13.04/12.10/12.04/11.10 but there can be some bugs with Ubuntu 13.04 GTK, It is not completely compatible with latest GTK but you can give a try.
You can use Unity Tweak Tool, Gnome-tweak-tool or Ubuntu-Tweak to change icons.
Snow Sabre icons used in screenshots, But Malys-Uniblue icon set is recommended with this theme.

To install Ambiance-DS-Blue theme on Ubuntu/Linux Mint open Terminal (Press Ctrl+Alt+T) and copy the following commands in the Terminal:

Terminal Commands:
sudo add-apt-repository ppa:noobslab/themes
sudo apt-get update
sudo apt-get install ambiance-ds-blue

That's it

Source: Ambiance DS Blue