An useful download: Microsoft Office Data Assistant for Microsoft Office PowerPoint® 2003.
The Data Assistant for PowerPoint 2003 provides an easy-to-use method of inserting and managing graphical data objects such as Microsoft Office Visio® drawings, Microsoft Office Excel charts, and named ranges into PowerPoint presentations.
Great! 
URL for download: http://www.microsoft.com/downloads/details.aspx?familyid=786cf731-cd9f-4014-9a40-aecabd46696f&displaylang=en