A new demo has been added in the Windows XP Professional demo portion.The detail of this demo is

Title: How to Add or Change Users Picture in Windows XP

Objective: The objective of this demo is to teach you how to add or change a user’s display picture in Windows XP.
In Windows XP, you can have a picture displayed next to the user name on the Welcome Screen and on the new Start Menu.

If you are a subscriber, then click the Demos link in the navigation menu to view the complete list of demos.