The included themes are released under the following licenses:

desktop-themes/Darklooks: GPL2+
gtk-themes/Darklooks:     GPL2+
icon-themes/Foxtrott:     CC-BY-SA
icon-themes/Gion:         GPL2
icon-themes/Neu:          GPL2

A full copy of the GNU General Public License version 2 can be found in
COPYING.GPL2,
a full copy of the Creative Commons Attribution Share-Alike license version
2.5 can be found in COPYING.CCBYSA25.
