Help importing an swf file into a new fla

**I have an swf file I worked with several years ago, and now I want to reuse it for a possible art site I’m doing. However, I no longer have the fla. and have somehow lost it. *I also want to add different images and edit it…

*I’ve had a lot of help from someone in Actionscript 3.0, but they can’t help me cause it needs to be used in an earlier CS3.

*I’m using Flash CS5.5.

I know that I can import the swf to my library and then drag that file to the stage. However, when doing that it of course doesn’t have the correct scripts to load and play properly.

Can anyone help me here?

Here is the swf.

http://www.angelfire.com/in/HansonArtGallery/034.swf

Thanks, for any possible help.
Tseyigai**