How to Overlay Images in PowerPoint. Microsoft PowerPoint 2010 can be used to create complex presentations containing everything from text and images to videos, sounds and Flash animations.

In this tutorial, we explain how to make a jigsaw puzzle from a picture in PowerPoint. A Jigsaw puzzle consists of cut pieces that can be put together to form a picture.

You can make a picture transparent in your PowerPoint slides so that you can add text over it or use it as a background.

Too many pictures in a presentation can be overwhelming. Here's how to turn a busy picture into a focused visual using Merge in PowerPoint.