This video shows to create and save Snoot effect from Scratch and how to put them to use. Easy with the elliptical Marquee tool, You can create a circle placed in the center of the 5 by 5 inches document, then duplicate the circle, align the circle, and increase sizes from one stage to another that is from smallest to the biggest. there you have it .
With these little idea, you can always create something similar and better all with adobe photoshop.