Have you ever put something out in public domain / creative commons?

I was looking for free art that I could use in my Creative Commons rpg, Rank20... and I haven't been especially successful. Then I thought... "hey, there's this art board on EN World, maybe they know where I should look.

THEN I thought "Hey, maybe they've actually done some of this already themselves!"

Have you ever put something out in public domain / creative commons?

(My one good find is perfect for a lich portrait, attached).

All of Storn's Work is released under a creative commons license.