While the plugin doesn’t include city maps, you can use custom geojson files as the source for the maps. I followed the instructions and got the source for the map of Venice (Italy) and placed it on github to be able to use it with the plugin. Here’s the result below:
The map for Venice might not be the best example, since we would expect to see the water areas. Unfortunately those maps are more dificult to come by, since it’s much easier to find region/city maps divided by administrative borders. However this is an example on how you can display maps that the plugin doesn’t include.
Feel free to contact us with any questions on how to achieve this.