Although Photoshop Elements 12 enables you to crop your images as rectangular shapes, the Toolbox -- accessible in Expert mode -- features the Elliptical Marquee tool to help you select a round area.

Photoshop CC tutorial showing how to use the Shadows/Highlights feature, the Perspective Crop Tool and how to save images without their backgrounds by saving them as PNGs. Shadows/Highlights photo: <a ...

Cropping an image seems like a simple task, but Adobe Photoshop's crop tool hides some powerful features that go well beyond the basics.