If you want your own world map like mine below, it’s pretty easy to make happen.
Step 1) Download Terrafirma and install it.
Step 2) Start Terrafirma from your start menu and go to File -> Connect to Server…
Step 3) Input your server IP and port. The port is everything after the : sign in your panel and the IP is everything before it.
Step 4) Click File -> Save PNG and choose where to save your image.