Here was a quick pumpkin I carved in my garage. I was trying out a tongue that I bought from a taxidermy catalog. It was a bear tongue and it was quite long. It looked pretty sweet sticking out of the pumpkins mouth. I know that most people don't have time to order a taxidermy tongue for halloween, but it didn't cost too much, about $8 I think.
The other prop is a woodchip for a tooth. I used the type of woodchips you use for your barbecue. They were almost toothlike in shape. I just jabbed it into the pumpkin flesh and it stayed in place.
I like my pumpkin props like I like my kids to behave. Fun and easy.