Huge fan of OpenGameArt.org.  I created a Pebble Smartwatch Watchface using only assets from OpenGameArt, including the awesome Boxy Font by Clint Bellanger.

https://apps.getpebble.com/applications/5349f76e085291de2e0000fa

Description:

Flick your wrist to flip through 11 images from OpenGameArt.org.
OpenGameArt.org is a site providing art licensed under Creative-Commons.
Outline Font is based on the Boxy font also found on OpenGameArt.org.

golem.png, wolf.png License: CC-BY 3.0 Author: Michele Bucelli (aka. Buch) http://opengameart.org/content/mechanic-giant http://opengameart.org/content/gray-wolf

demon.png License: CC-BY 3.0 Author: Killy Vera (aka. killy) http://opengameart.org/content/little-demon-wolf

bunny.png License: CC0 Author: Nicolas Silva (aka. nical) http://opengameart.org/content/kawaii-must-die

scarecrow.png License: CC0 Author: TinySpeck & glitchthegame.com http://opengameart.org/content/glitch-inhabitants-and-cubimals-svg

wizard.png, stone-giant.png, orc.png, robot.png, princess.png, dwarf.png License: CC0 Author: Prim Andras (aka. tzunghaor) http://opengameart.org/content/cartoon-vector-characters

Source Code Available: https://github.com/mhungerford/pebble-OpenGameArt.org