One spritesheet of a set created for a now-abandoned project that would have been home for around 35 fantasy creatures.
Full-size concepts / portraits are available here - www.flickr.com/photos/goosemouse/sets/72157624410426985/
Original layered .PSD (Photoshop CS4) files for the above are available here - www.36peas.com/storage/turmoilassets/
More information and a list of creatures can be found here - www.36peas.com/blog/2010/8/3/35-free-fantasy-creature-des...
All images, spritesheets and original photoshop files are licensed under a Creative Commons Attribution license. Use them for what you like, how you like just so long as you provide attribution to www.36peas.com