MacOSXHints has a hint on customizing the Dock for Leopard’s guest account.
This turns out to be yet another application of MCX records in the local directory service. The idea can be expanded to customize lots more things the Guest account can and cannot do – just use Workgroup Manager to manage preferences for the Guest account!
Managing OS X 
And people were wondering why some of us were getting so excited about MCX and DSLocal 🙂
Hello!
I think this try.
Hello!,
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