For your first step select one existing image or create your design as you like.
First, right click on the image and select Filters -> Light and Shadow->
Lighting Effects from the menu. Apply the filter, and watch what happens to the image.
Apply various Lighting Effects to an image looks like different shadows.
And also add one more effect: Filters -> Light and Shadow-> Supernova..
(Add a starburst to the image) then they display in which position as you like in image.
So Special effects we saw in images.
