Lineart and photo background by me, coloring by http://miss-shinku.deviantart.com/ - I don't think she has a furaffinity but you should go check her out because she's incredible.
The jaw is supposed to be curved like that, that's just how their skulls were. The big claw on the feet were not retractable like a raptor's but was just kinda there. Also Ornitholestes pROBABLY had feathers. We did make a feathered version, I may or may not upload it.