I edited the image using Photoshop. I created a new layer with the picture of the crack paint. After isolating the crack from the background, I placed it on top of the image of my face. I used the warp and liquefy tools to make the crack look like it is wrapping around my facial features instead of just being placed on top. 

Then I used a photo editing application on my iPhone (Aviary) to enhance and heighten the crack. I made it black and white, to keep the focus on the content rather than the appearance. I also adjusted the lighting and contrast of the image to make the crack appear more prominently. Here’s the final product: