308823 Flash / Wordpress Issue

Hi. Please see the attached video. The website we are having troubles with is hooversworld (dot) com Specifically, the problem is ONLY with IE7 in Vista. If you follow these instructions, you will experience the problem as well. 1) go to website 2) click on "login" at top-right 3) create an account for yourself 4) not logout, close browser...clear cache and pretend like you are a registered user viewing for first time today. 5) go to post on 3/23, click on "march 30th" post 6) in post, click on link "problem"..this is to a PDF 7) login (note that it opens up a new browser?) 8) when you return to post, you will see flashing boxes behind flash logo and ticker at top HELP.