It looks like a concept art website had a thread with several pictures of dinosaurs, cowboys, zombies, and aliens. Pretty much just a mishmash of craziness, but there were some really cool pictures. The main thread is http://conceptart.org/forums/showthread.php?t=228945 and one focused more on unmounted zombie dinosaurs is at http://conceptart.org/forums/showthread.php?t=179273.
Anyway here are the highlights in my opinion:
Just getting silly at this point!
Dinosaur Cowboys - Tabletop Skirmish Game 
September 7, 2012 at 2:16 AM
Please, make an addon vor Zombies/Skeletons (Dino and Human zombies)
September 9, 2012 at 5:27 AM
That’s a good idea, I could have a bunch of different zombie versions of the standard dinosaurs and then some Undead rules for fighting against a horde of human zombies and stuff. I’m travelling at the moment and will be until October, but consider this add-on in my TODO list. Maybe as a Christmas download.
October 31, 2012 at 3:32 PM
Done! It’s pretty light (only 2 pages) but it’s also a lot of fun. I ran through a battle report of a posse trying to stem the tide of UNDEATH from an old Bunker. You can read about it here if you’re interested: https://dinosaurcowboys.wordpress.com/2012/10/31/battle-report-halloween-at-the-old-bunker/