Apple-scripting "Place Image..." ?

[A. James Boswell]

Hi all,
there doesn't seem to be any way to applescript the "File->Place 
image...", or dragging an image file to a canvas behaviour. I don't 
really want to use GUI scripting because I want this long script 
(assembling image fragments at co-ordinates) to run in the background 
while I do my work - not constantly activate and switch to the front.

Any ideas? Are there any apple events that are not in the dictionary 
that I can use? Or is this feature planned soon?