scripting neebie, NEED HELP!

I need a Hot Follder to auotmatically launch PhotoShop CS2 & run an action that I have written to convert large numbers of images downloaded to my FTP site. I have tried to figure out how to do this, but I am at a total loss. Someone PLEASE help me.
I am running OSX 10.3.9 on a G4 with a Gig of RAM.
Any help would be GREATLY APPRECIATED!
Thanks in advance, Spencer

Model: G4
AppleScript: No flippin clue?
Browser: Internet Explorer 5.23
Operating System: Mac OS X (10.4)

What have you come up with so far?