I'm not author of this excellent GTK2 theme engine. I only redistribute it here. Real author name (nickname) is ECHM.

Description:
Aurora Gtk Engine is the latest member of the clearlooks family of gtk engines. The goal of this theme is to provide a consistent and complete look for Gtk. The theme aims to be very flexible in colour choice, however the style of the theme is fixed, meaning multiple styles for widgets will not be available. The theme includes some features that I haven't seen before in any Gtk engine as well as some theming of gnome panel widgets. Of course the best way to see the engine is to download it and try it out yourself.

Known Issues:
-Ugly widgets in: OpenOffice, Java applications
--Unfortunately I can't really do anything here to make them look better without removing features of the theme. I can only hope that their emulation of Gtk themes will improve over time.

Installation:
--Gtk 2.10 is required for this engine.
--Includes both the GtkRc themes, and the theme engine.

To install the theme engine extract it to somewhere convenient and in that directory run: "./configure --prefix=/usr -enable-animation" then "make". Then as a root user "make install".
Then install the gtkrc themes by extracting them to your ~/.themes directory (3 themes in total).