These 8 Free Photoshop Storyboard Collage Templates from Gingerpixel Photography are very popular. They will work in both Photoshop and Elements.
The great thing about this listing is that she includes a tutorial on clipping masks so that you won’t get lost. And the best part is, when you open up a template, she has written instructions right on the template to help you out (see below). These are really great and we know you will love them!