=quick & dirty solution for every missing romfile or empty display in AM:
-Goto AM folder > scraper > choose a folder, that already founds/collect successfull artwork.
note the folders there (flyer, marquee and so on; depends on your used layout).
-goto AM folder > scraper > create a folder of your empty display (in your case : windows_games
-goto your created folder > create folders with your noted folder names (flyer, marquee and so on)
-use serach engine like google, duckduckgo and serach cover for your windows games
-goto your folder with your windows game shortcuts
-Rename downloaded game cover to your name of your link (my_game123.lnk => my_game.png)
-move covers to folder that belongs (marquee to marquee, and so on)
-Start AM. Now your links gets artwork.