This may be late in coming but I think I get what you mean.
When you publish your html page through the Flash publish settings, your html page is very large...? If this is the case, open the html and you will see
<!-- URL's used in the movie-->
<!-- text used in the movie-->
Some times, these two comment areas can be full of text (mostly repeated) and this adds some incredible size to your html page. You can delete all this and that will take your html page down to 1k again....
Hope this helped
Rod B-)