Mark,
All this video recording lark is harder than I expected :) I bugged our client services team to give me a quick rundown of how to do things more properly, and I came up with :
http://images.pickledhedgehog.com/VideoTutorial/CreateVDir/v2/
It should only preload the first 10% and / or 3 seconds (not sure how that part works yet :) )
Monty
Senior C#.net Developer