https://github.com/JeremyTubongbanua/MapImg
https://www.spigotmc.org/resources/mapimg.72748/
353 downloads
https://bstats.org/plugin/bukkit/MapImg/5919
This Spigot minecraft plugin would take your image (urls) and convert them into a grid of maps that was given to you in your inventory.
This would be useful for large scale images that you would like to display in your server.