Here's a comparison of the original module art with the AI-generated portraits. I'm sharing for no other reason than I'm just amazed that this technology exists (and is free).
https://drive.google.com/file/d/1SS1...ew?usp=sharing
Also, here is an updated version of the Who's Who in Krakow pages from the original GDW module including some expanded biographies of NPCs either hinted at or mentioned in passing in the module.
https://drive.google.com/file/d/1qmI...ew?usp=sharing