Fps?

http://www.boydbrothersservice.com/newsite.html

if you look at the main site at www.boydbrothersservice.com
i am trying to incorperate them all into 1 swf file with a preload for a start on this new site, but after it loads, myfps on my little flying balls are crappy as hell???

why is this? and what can i do to fix it