My brother went to the Walking Dead panel at Comic-Con and was insanely impressed by what he saw there. It was the one panel that he couldn't miss.
At their booth, they had a living room scene with two dead bodies that you could get your picture taken with. It was amazing and highly disturbing!
Sorry the quality is so bad on these pictures, but here's a look. I'm sure you can find some great ones online of close-ups.
Also, you can register for a "walker" role until tomorrow on the AMC website! Check it out!