Image Authors:

Abstract
 - Silk.png, Spring.png, Waves.png:
    Copyright © 2008 Patryk Zawadzki <patrys@pld-linux.org>

 - Flow.png, Gulp.png:
    Copyright © 2008 Daniel Galleguillos <dnlgalleguillos@gmail.com>
    Copyright © 2008 Hylke Bons <hylkebons@gmail.com>

Desktop
 - GreenTraditional.jpg
    Copyright © 2012 l0r4n0n <info@stefan-geissler.net>

 - Float-into-MATE.png
    Copyright © 2013 François Vogelweith (Bisigi project)
    Copyright © 2014 Joseph "Rowen Stipe" Krieger <rowen.stipe@gmail.com>

 - MATE-Stripes-Dark.png, MATE-Stripes-Light.png
    Copyright © 2014 Adam Erdman <hekel@archlinux.info>

 - Stripes.png
    Copyright © 2010 Jakub Steiner <jimmac@novell.com>

 - Ubuntu-Mate-Cold-no-logo.png, Ubuntu-Mate-Dark-no-logo.png,
   Ubuntu-Mate-Radioactive-no-logo.png, Ubuntu-Mate-Warm-no-logo.png:
    Copyright © 2014 Goce Mitevski <contact@nicer2.com>

Nature
 - Aqua.jpg:
    Copyright © 2008 Charles Barbin <barbinch@free.fr>

 - Blinds.jpg:
    Copyright © 2008 Lennart Poettering <mztabzr@0pointer.de>
    Copyright © 2008 Andrea Cimitan

 - Dune.jpg:
    Copyright © 2007 Marco Cogoni <cogoni@gmail.com>
    Copyright © 2008 Hylke Bons <hylkebons@gmail.com>

 - FreshFlower.jpg:
    Copyright © 2005 Jens Ansorg <jens@ansorg-web.de>

 - Garden.jpg:
    Copyright © 2008 Charles Barbin <barbinch@free.fr>

 - GreenMeadow.jpg:
    Copyright © 2005 Timothy Schellhase
    Copyright © 2008 Lapo Calamandrei

 - LadyBird.jpg:
    Copyright © 2008 Charles Barbin <barbinch@free.fr>

 - RainDrops.jpg:
    Copyright © 2008 "blackcombwhistler07" <blackcombwhistler07@googlemail.com>

 - Storm.jpg:
    Copyright © 2008 Sergey Nazarov <phearnot@renee.ru>

 - TwoWings.jpg:
    Copyright © 2008 Charles Barbin <barbinch@free.fr>
    Copyright © 2008 Hylke Bons <hylkebons@gmail.com>

 - Wood.jpg:
    Copyright © 2008 Jean-François Fortin Tam <nekohayo@gmail.com>

 - YellowFlower.jpg:
    Copyright © 2008 Charles Barbin <barbinch@free.fr>
