Mark Rhodes, has created a very useful script to populate Contoso Active Directory.
This script creates 270 + users in Active Directory copied from the Contoso WorkerInformation Environment.
Download the file by clicking the Download link (above) and saving the file to your hard disk drive
Extract all files and run "CreateUserAccounts.ps1 from an Administrative PowerShell prompt.
More info here: http://mrhodes.net/2011/10/25/adding-285-contoso-users-with-pictures-to-your-development-environment-active-directory/
Mark Rhodes - email@example.com - @mrhodes(http://mrhodes.net/)