Go Here
http://www.macromedia.com/support/docum ... ger04.html
Let the site load for a bit until you see this box.

Select The Menu That Says 'Edit Locations' And CLICK 'Add Location'

This Thing Should Come Up...Select 'Browse For Files'

browse for the Swf file that you need to add.

Now The Box Should Have A Link In It Like This.(Link Might Not Be Exactly Like The One In The Pic...Thats OK)

Now, if you have the game open already, close it, and open it again. It should load.
(100% credits of this tutorial goes to Dragonatic.)