Cracking up

So I am trying to learn how to do various "photoshop" techniques. I don't have photoshop. I have Lightroom and Pixelmator, but they do mostly the same thing.

I watched this youtube video on Cracking and Peeling Faces and decided to try and emulate it in Pixelmator.

This is what I came up with:

I still need to learn how to cut an image from the background better. This cut is rather rough... Otherwise not a bad first attempt!!