If you want to create or edit gtk themes using murrine engine, you can use
Murrine Style Options:
- glazestyle (change general look, i.e. buttons)
* 0 = flat hilight
* 1 = curved hilight
* 2 = concave style
* 3 = top curved hilight
* 4 = beryl/emerald style
- roundness (set roundness of buttons and other widgets)
* 0,1,2,3,4,5,6,7,8 = From flat till too
Summary: Desktop Suite for Xfce.
Copyright 2009–2012 James Schriver, Steve Dodier, Pasi Lallinaho, Mads Rosendahl Hansen
Albatross is dual-licensed as GPLv2 or later and CC-BY-SA 3.0 or later.
Desktop Suite for Xfce.
Albatross is the default theme in Xubuntu 9.10 and 10.04.
The Albatross desktop suite includes:
– GTK+ theme
joy - SVG based theme for xfwm4.
(c) 2006, 2007, 2008 - Olivier Fourdan <email@example.com>
Theme released under GNU GPL license.
Modified for Xubuntu by Steve Dodier <firstname.lastname@example.org>
If you're looking for the official default xfwm4 theme, it is labelled "Default"