that an entry field "Travel type" is on the initial
screen of the transaction. SInce you need the image on the
second screen, you use the notation
address the value the user entered in the first screen. Let us
assume that the value can be A, B, C, or D.
in the script, use the command
(0,0) "C:\guixt\images\travel_&[::Travel type].jpg"
will then display the right image for each travel type.