Here's a photoshop tutorial that'll show you how to add a bloody scar onto one of your model images to give a scary, gruesome, gory and violent image just in time to scare the kids at halloween time.

© Tobkatrina (Help)

© Ichtor (Help)

© Lisavan (Help)

© Wekiwis (Help)

© Starfotograf (Help)

© Wekiwis (Help)

This tutorial could also be useful if you wanted to do a series of images on domestic violence without actually harming your models first ;-)