If you are trying to access the swf via file:// then you are hitting the Flash security sandbox ball-of-fun. Try to put your swf on the same web server as your Turbogears app. Let me know if that solves anything.
I used that video tutorial to make a completely different application - a three-level note system (category, application, note) with customizable "fields" (user chooses string, formatted string, number, money, date, etc.). To get the SWF to run without problems, I had the index method of my controller return a simple HMTL page which embeds the SWF from the static folder. Thus, navigating to the TurboGears application starts the FLEX application immediately.
Matthew Bevan, Systems Administrator Top Floor Computer Systems Ltd.
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