To loop a PowerPoint slideshow, you'll need to enable looping in the program's "Set Up Slide Show" menu.

This tutorial will show you how to create a good Photo Slideshow with pictures & music in PowerPoint so that you can play it automatically.

Here's a tutorial to show you how to loop a group of PowerPoint slides within a presentation to run automatically as a slideshow.

PowerPoint 2007 Slides Won't Automatically Advance. Using PowerPoint you can create custom presentations that are fit for use in everything from professional business meetings to high school projects.

Learn how to make better presentations with PowerPoint, and get tips on how to get started with Microsoft Publisher.