I'm not sure whether this is an issue with Panoramica or Fancy Menu, but when I take a panorama with Panoramica and try to use it as a Fancy Menu background, the images don't fit together properly. I was able to get the FOV distortion to go away by changing the values from their defaults, but I couldn't get the seams to not happen. I tried changing my FOV while taking the panoramas and that didn't help either, as I would be forced back to a different FOV for taking the panorama.

Panoramica version: 1.2.1
Fancy Menu version: 2.14.9