[Milhouse]

Thank you for explaining kodi's internal architecture for image handling, it gives me better understanding of where to look when trouble arises.

No problem. Although it's a command-line tool which can be a bit scary, I like to think of this as essentially teaching a man to fish - once you more-or-less know how artwork is managed within Kodi, and have the tools to investigate (and even resolve problems) then artwork display issues are much easier to deal with by yourself.