I like how the object of focus stands out from the background, it looks as if its floating. At first I thought it was a CGI until i looked at the actual full size shot. Nice photo in its self but you loose a couple of points because I don't think it fits the challenge all that well. I give you a 6, because I still think its a cool photo.
I see this all the time at Burger King or some such place. Being an artsy kind of guy, I rated higher for abstract neon colors and lower for pretty much non-neon images and cartoons or cartoon characters. That's just my liking.
If you would have placed the Shrek's head more to the left in the frame, this would have been better, not that this is bad as it is, but I find the figure to much centered in the frame.