URLs for markers incorrect on config page

Greetings! Nice little module.

I've installed the module, but when I go to configure, the markers all show up as broken links. Looks like it is adding an extra level - i.e., my module is located at /levelsite/sites/all/modules/, but it is looking for the markers at /levelsite/levelsite/sites/all/modules.

This is only on the config page that I'm seeing broken images - I chose one randomly, and when I go to add a pin, it does appear as an image.