Vicious rabbits by Anna-Maria Jung up for vote at Threadless.
Batwoman by Steve Lieber - - one of several illustrations on sale at eBay to benefit Dylan Williams.
I might have posted these before, but Sean Dove added some $8 prints to his Etsy shop.
The First Grade by Don Clark on sale as a $12 print.
Cover for Ilsa Bick's Ashes. io9 posted a 100-page excerpt from the book.