In Photoshop CS6, the new version of Photoshop, you can use special cropping tool and you are done, but that doesn't mean you cannot achieve the same result with older versions.
We are going to apply a bunch of Photoshop effects and use a few tricks to turn a photograph of lovely Scarlett into a pencil drawing. It's a bite longer tutorial just be sure to follow it closely and you'll be fine.
A bit longer Photoshop tutorial, but still very suitable for beginners, where you will learn how to carve a random text into human skin from scratch and make it look realistic.