If you insert a lot of pictures into PowerPoint slides, you're going to love the new layout placeholders in PowerPoint 2007 and later.

To add alt text to images in PowerPoint, or edit an image's existing alt text, select the photo and choose "Edit Alt Text." ...

One of the interesting but not so obvious things that you can do with an image in PowerPoint is to animate it as a slide background. While it’s not a good idea to add a lot of animations to your ...

When you’re creating a PowerPoint presentation to be viewed individually and not en mass, you can include features that you wouldn’t generally include in a regular PowerPoint presentation. For example ...