Donato, thanks so much for the link. I'm not sure why I didn't clue in that the "v3" was part of the name of the creator app/plugin.

I'm not sure at this point if the images are actually stored in a folder or inside a single swf file.

If I could look at their server I'd find out quickly, but I'm still waiting for that info.

* EDIT *

Jebus, whoever worked on that site didn't even include an htaccess file to stop people from listing directories... Newb...

List of the slideshow config (xml) files...
http://www.aquatechdewatering.com/v3flashslideshow/

Here's one of the folders one of the slideshows pulls images from:
http://www.aquatechdewatering.com/gallery/main_enviro_serv/

So it looks like it's a simple edit to the xml files and then just edit and send up an image into the appropriate folder. Straight forward.