I've displayed the picture on a different monitor this day and was very astonished, that the picture was really dark as Gandwarf mentioned. I will have to fix that.
That style is a bit abstract, so I will not add much details like chimneys etc, but I will play around with different roof textures and colors of the labels.
The challenge for me was to make the best of a computer generated city, that's why I posted both pictures.
@Gandwarf: It is a setting in the map generator to create an unfinished city wall. There it is a fun map with no background it leaves enough space for your own imagination. I immediately thought of german bureaucracy: The town council wanted a wall, spent a lot a money to build it and realizing at the end when it is nearly done, that two people doesn't want to sell their houses to get it finished. Yes, it's a bureaucracy campaign map!