Script Download: CreateSwitchUserWindowsTile.zip
http://gallery.technet.microsoft.com/scriptcenter/Script-to-create-a-Windows-2b03ac8c
This PowerShell Script shows how to create a Windows 8 Switch User tile for the Start menu.
Properly switching users in Windows 8 without a Start button can be a bit of a chore. Many users may want to switch users in just one click. This script enables users to click a tile to switch user on the Start menu.
You can find more All-In-One Script Framework script samples at http://aka.ms/onescriptingallery