Your slide library has already been set up, using Microsoft Office SharePoint Server 2007. Now see how to use the library when you're creating presentations in PowerPoint 2007.
For example, you'll want to know how to copy slides from the library into your presentation; how to edit slides in the library when slide content becomes obsolete; and how to be sure you have the latest version of a slide you've copied from the library.
For course details, read this page fully. Then click Next to start.