How to make your own prosthetics and fake cuts!

[hauntedhouse]

I found this the other week while looking at make-up tutorials, their are some good make-up tutorials on here http://www.squidoo.com/the-best-halloween-masks.
I'm going to make all my own dramatic scars and bullet holes after this Halloween! hope you enjoy...
P.s
Do any of you have any tips on making it look like your brains are hanging out ??