In the .LAY file: See attachment. Rename the .lay file itself to [romname].lay and change the references [your_game_marquee_filename] and [your_game_bezel_filename] to whatever they are in the artwork zip folder.
Remember: You will have to adjust the bezel/screen dimensions/positions to fit your specific game. Assuming you are using an already-existing artwork file that contains the marquee by itself in a view, all you need to do is edit the .INI file to assign specific view names to screens 0 and 1.
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I have officially retired from sucking at everything I do. Life is much easier now.