How to Create a torn photo edge in Photoshop
In this Adobe Photoshop tutorial the instructor shows how to make a torn image effect. He shows you a sample image of what it is going to look like after producing that effect. It basically looks like as if the photograph was torn to pieces and then put back together with the cracks visible. To do this first open the image in Photoshop. Now make a rough outline of the tear with the polygonal lasso. After generating the tear go to filter and in the distort sub menu choose the ripple. Now it appears as if the image was torn along that line. Now repeat the process for the tears you want to generate. This video shows how to make a torn image effect in Photoshop.