Ah, from your username I now recgnize that it is similar to the contact address on that site - you are the site owner?
Try sending a PM to Chris Campbell; he may be able to help you debug your Flash content.
P.S. I love the seismologic information on your site; as a resident of East Japan this is very interesting for me.
i've similar problem with my site http://expectal.com
After installing latest flash player 10.3.183.5, flash movie stop loading (Movie not loaded...) With older flash player version all work correctly... My inbox is filled with support emails from my customers that gallery stopped working... Really need to find problem as soon as possible.
All I've found that was changed in 10.3.183.5 is security updates ( http://www.adobe.com/support/security/bulletins/apsb11-21.html ) but really don't know how this affects not loading flash movie?