AmSTblue_FLATTEN Ubuntu 11.10
A flat version of the Ambiance theme
It comes with a dark panel, blue selection, moved window titles the right, increased window borders to 4 px, flat window titlebars, and transparent unity panel.
How to install?
For detailed installation instructions please see the following tutorial created by Softpedia: http://news.softpedia.com/news/How-to-Install-GNOME-Themes-in-Ubuntu-11-10-231213.shtml