I used GIMP to make chess variant pieces for my mobile game. It was challenging connecting the feel of how a piece moves to an image. They're released under a Creative Commons license.

http://bit.ly/2UxJHP7

Great design resource

100 Things Every Designer Needs to Know About People (Voices That Matter) Submitted April 05, 2019 at 05:28PM by Zulban http://bit.ly/2OO7mpt