[Pro] Flash from keynote?

Hi, Ive found an animated feature in keynote that gives a lense flare and flash bulb effect, I have seen these used on web pages and want to incorporate these into my site www.imagepics.co.uk as I am a photographer and thought this would be groovy. I only want the effect to appear over my current header which is 1024 x86 pixels. I tried converting the keynote slide size to match this but it won’t allow and when you export the file you get the whole slide page at 1024 x 768? I tried exporting it as QT movie but no joy and somehow converting to a flash file but no joy. Can anyone show me the light??? Regards Steve

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