http://thundercatslair.org/forums/showthread.php?p=23082#post23082
This guy is phenomenal. Check out his professional work at targeteart.com
Wow… just wow
Merged Post:
I’d like everyone to post on that thread if you like the art, let’s encourage this guy to post more of his stuff on the site, I think it would be awesome to keep someone like this friendly with TCL
Something tells me that this guy was involved with the development of the movie concept. I just think his work is too good, and he’s been busy with it since at least 2007. His model cel pic of Mumm-Ra here makes me think he was doing concept work for the movie professionally. What do you guys think? I can’t post this in the public forums in case I’m right and he gets in trouble.
http://i22.photobucket.com/albums/b318/Grizzlor18/mUM_MODEL_SHEET.jpg
Chris here…
It’s highly possible - we know WB has looked at a number of ways to bring ThunderCats back, just look at the artwork LeSean created for the aborted “ThunderCats rock band” cartoon series, so there’s likely to be quite a bit of concept artwork kicking around. 
Might it be worth shooting this guy a PM and asking him? Emphasise that if the answer is yes you’re happy to keep it confidential if he wants, but you never know, he may be cool with you knowing - no harm in asking!
Take care…