Newbie / Scripting Image Transfert to apply presets: set default act?

Well I need a simple script that launch Image Transfert (with scanner UI) and force some presets to ensure that proper action will be performed.
In ideal world I’d like to perform a kind of select all on the scan preview. See later for that.

Current issue: setting the default action after the scan to… Not so easy.

Here is my script in its current state:

-- English name? Image Transfert
set nomAppli to "Image Capture" 
-- Your scanner
set nomSource to "EPSON Perfection 2480/2580" 

set MailApp to (path to application "Mail" as alias)

tell application nomAppli
	tell application "System Events"
		if UI elements enabled then
			tell process nomAppli
				click menu item nomSource of menu of menu bar item "Appareils" of menu bar 1
				tell window 1
					-- Résolution à 150ppp
					set value of combo box 1 to "150"
					-- Format JPEG pour la numérisation
					tell pop up button 7
						tell menu 1
							click menu item "JPEG"
						end tell
					end tell
					-- Tâche automatique à Aperçu
					tell pop up button 9
						-- wanna set this to MailApp value.
						tell menu 1
							-- This shall be other... in english ?
							-- This fails as error... Why?
							click menu item "autre..."
						end tell
					end tell
				end tell -- window 1
			end tell
			tell application "System Preferences"
				set current pane to pane ""
				display dialog "Les scripts pour éléments d'interface graphique ne sont pas activés. Cochez \"Activer l'accès pour les périphériques d'aide.\""
			end tell
		end if
	end tell
end tell

Seems that last pop up do not share the same behavior as other…

Any idea on how I could set a value on this one?


Model: MacBook Pro
AppleScript: 2.0.1
Browser: Safari 528.16
Operating System: Mac OS X (10.5)