Install Smoothly + Dark theme on Ubuntu 12.10 Quantal/Ubuntu 12.04 Precise/Ubuntu 11.10 Oneiric/Linux Mint 13/12 (GTK theme)

Smoothly theme is available in two versions smoothly-dark and smoothly plain, It is available for GTK 3.6/3.4/3.2 versions.
Install Acyl Icons or Check Icons Collection
You can use these Tools to change theme and icons: Gnome Tweak ToolUbuntu Tweak
dark themes

ubuntu themes
Theme tested on Ubuntu 12.10 Quantal Quetzal.

To install Smoothly theme on Ubuntu/Linux Mint open Terminal (Press Ctrl+Alt+T) and copy the following commands in the Terminal:
That's it
Source: Smoothly
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