The use of custom profiles for added choices when publishing a movie works
the same way it does in XP's Movie Maker 2....
A forum poster, after doing lots of testing over the past couple days,
reported the custom profiles work if you use the main pull-down menu, but
don't appear in the pick-list of choices when you start with the 'Tasks'
menu.
In XP, either the main menu or the Tasks menu gets you the full set of
choices, so it looks like a bug in Vista.
I added info to my website's Vista > Movie Maker > Intro page....
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website references are to
www.papajohn.org
PapaJohn