We overlay an artistic image over a wiki leaflet map delegating some of the fine tuning to javascript. github 
Misaligned input locations are marked with a trial overlay on a test map.
The Frame output shows map markup ready for a copy-paste update.
This cartographer added elevation data to an old map of his home in Tromsø, Norway, and the result is this gorgeous piece.
Include a working example if possible.
http://found.ward.bay.wiki.org/assets/pages/historic-tromso/markup.html HEIGHT 120
Now copy-paste this computed markup into a new map.
BOUNDARY 69.6450987 18.8282172 BOUNDARY 69.7128208 19.0944185 OVERLAY http://found.ward.bay.wiki.org/assets/pages/historic-tromso/ringvassoy-excerpt.jpg 69.6662201, 18.882141 69.72244889999999, 19.041033499999998