___gtk-theme-switch___
http://gna.org/projects/gtk-theme-switch/

This program allows you to preview and switch GTK themes. gtk-theme-switch is
designed to be usable and flexible from both the shell prompt and X-Windows
display. Please see the manual page or run the switch executable with the
-help option for information on the allowed command line options.

Comments and suggestions are welcome:

muhri@muhri.net
aaronl@vitelus.com
denis@narcan.fr