Image Authors:

- adwaita*:
  Copyright © 2011 Jakub Steiner <jimmac@gmail.com>
  Licensed under Creative Commons Attribution-ShareAlike 3.0 License.

- Dark_Ivy.jpg:
- Flowerbed.jpg:
- Road.jpg:
- Sandstone.jpg:
  Copyright © 2012 Garrett LeSage <glesage@gmail.com>
  Licensed under Creative Commons Attribution-ShareAlike 3.0 License.

- Blinds.jpg:
  Copyright © 2008 Lennart Poettering <mztabzr@0pointer.de>
  Copyright © 2008 Andrea Cimitan
  Licensed under Creative Commons Attribution-ShareAlike 3.0 License.

- Fabric.jpg:
  Unknown author, CC0, https://www.pexels.com/photo/abstract-black-and-white-cardigan-sweater-close-up-236028/
  
- FootFall.png:
  Copyright © 2011 Nieves Sánchez Martínez <nievesanchez@hotmail.com>
  Licensed under Creative Commons Attribution-ShareAlike 3.0 License.

- Icescape.jpg:
  Copyright © 2016 Helena Bartošová 
  http://www.hbartosova.com/
  Licensed under Creative Commons Attribution-ShareAlike 3.0 License.
  
- Wood.jpg:
  CC0, Photo by rawpixel.com https://www.pexels.com/photo/abstract-blank-board-carpentry-296884/

- ColdWarm.jpg:
  CC0, Photo by invisiblepower https://www.pexels.com/photo/above-aerial-bright-cold-343219/

- RainDrops.jpg:
  CC0, Photo by Markus Spiske temporausch.com https://www.pexels.com/photo/rainy-rain-raindrops-window-110874/

- SeaSunset.jpg:
  CC0, Photo by Sebastian Voortman https://www.pexels.com/photo/beach-dawn-dusk-ocean-189349/
  
- Fabric.jpg:
  CC0, Author unknown. https://www.pexels.com/photo/blur-close-up-cloth-color-459486/