Below is an image I put together using the edit page and collage page. I first edited each individual image you see below. First image is the original image. I rounded the corners with shadows. Second image, rounded corners and used the Color Tinitlize edit with the color blue. Third image rounded corners with shadow as well along with the Painting Effect edit and the last image, rounded corners with Shadow Hightlight edit. I then used the automate collage option on the collage page on all the images producing the collage below.

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