PNG images for Eightpieces from https://greenchess.net/index.php and Jeff Kubach design.
Images of the Hawk and Elephant were designed by "Couch Tomato #2218" on Discord,
for the pychess-variants website (http://pychess-variants.herokuapp.com/)
+He also designed all the Horde pieces in Orda.
For Dynamo:
https://commons.wikimedia.org/wiki/File:Font_P.svg
https://commons.wikimedia.org/wiki/File:Font_R.svg