Try going to this site, and downloading Flash for your kind of system (Windows, Mac, Linux, ...) and choice of Browser (Internet Explorer, Mozilla, Opera, ...): Macomedia Flash Download.
Then if that seems to go ok, you might be able to come back to the link WVNam posted above: http://www.gunstuff.com/america-attacked.html and see it. It is perhaps 10 minutes of quickly changing picture and slide stills with music - very well done.