Drawing Normal Curves in PowerPoint. Although some users prefer to import graphics and images from other programs into Microsoft PowerPoint presentations, PowerPoint includes an advanced drawing ...

Right-click a black area of the Slide Master and choose "Format Background." Choose "Picture or Texture Fill," click "File" and then double-click on the subdued image you saved.

If you don’t want the same rectangular pictures for your Microsoft PowerPoint slide show, create a custom-shaped picture placeholder and make it available to the presentation via a layout slide.