Originally posted by thecentralbus
4. How do I edit the border on the overworld map(the one you see when playing).
In the Overworld Editor, click on File - Layer 3 Submap - Load Layer 3 of submap. Now you can select the submap border you want to edit.
Here are some useful patches:
https://www.smwcentral.net/?p=section&a=details&id=12773
https://www.smwcentral.net/?p=section&a=details&id=15222