All themes are GPL v2 or later annd copyright their individual authors, and contributed by various people. 
Authors, along with emails if known, are given here.
Inidividual credits are given inside each .emerald file
(they are tar archives)

plueken
DBO
Giuliastro
Stjepan Glavina
Xinix
Priyank M. Gosalia
Jesper
pomalin
Simon Newberry
kriek
Krymzon
Andreas Heider | sidolin@gmail.com
Colonel Kilkenny
xplode_me
Steveway
Billy Cantrell | bvc@gnomethemes.org
WebRevenger
darkmatter / Jody Kozey
Posi
Uncle Spellbinder
Aualin


License:

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this package; if not, write to the Free Software
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA

On Debian systems, the complete text of the GNU General
Public License can be found in `/usr/share/common-licenses/GPL'.


