Recordings of MS Ignite 2015 session BRK4452: Writing Windows PowerShell DSC Resources and Configurations are now available online.
As mentioned in the session you can download the demo modules using the following code:
Find-Module-TagBRK4452-OutVariableModules
$Modules|% {Install-Module-Name$_.Name -Verbose-Force}
Happy Scripting !!!
Narayanan Lakshmanan
Principal Software Engineering Manager
Windows PowerShell Team