Jeffrey Snover has posted a fantastic PowerShell Scripting presentation he did late last year on the PowerShell Team Blog.

The session is aimed at people who have had experience with PowerShell and is pitched as a deep dive - includes lots of examples and chewy detail. Topics covered include:

Forms and styles of scripting
Scriptblocks
Switch
V2 Script Cmdlets
V2 PSJobs

This is presentation definatly makes installing the Silverlight plugin worth while.

Thanks Jeffrey :)