If you want to show your images in an appealing design, you can mask them to fit into a certain shape.

  1. Open the Insert menu, then select Image and choose a source.
  2. Once the image appears on your slide, click it. At the top, next to Crop, click the Down arrow.
  3. Click on the shape you want.
  4. Your shape will mask your image. To adjust your shape, click and drag the colored handles.