Freaky Amazing Light Rays: A technique to ad light rays/light beams into your image

Here is a technique to ad light rays/light beams into your image.
This video is one of many of the class
"THE POWER OF DIGITAL LIGHT"
www.photoshopfreaks.com

A big shoutout to my friend Olaf Gierman where i saw this effect first. Check out his website www.olafgiermann.de