Preview in HTML

I have completed the tutorial on [color=#003366]Photo Gallery[/color][color=#003366] Using XML and Flash
[/color][color=#808080] [/color][color=#808080][color=#333333]by kirupa | [/color][/color][color=#333333]2 September 2004[/color]
[color=#333333]If I open the .swf file it works prefectly. If I preview in a web browser, no pictures. I have inserted the finished .swf file into a web page using Dreamweaver and have the same problem. Blank white space where the final flash should be. I’m missing a step somewhere, help![/color]