SOLVED: Blank images on library folders

[cantcurecancer]

Ok so not a big deal at all, but I just got my Jellyfin setup reinstalled via Docker on my headless Linux server and I noticed that the images for the libraries are blank. I can't figure out how to get the Jellyfin-generated images/collages to show up on the "Movies" and "TV" libraries. I'm guessing it's some dumb Linux permissions issue that I've overlooked. Here's what I've done so far:

• Applied permissions for all content/config folders that I'm aware of so that the jellyfin user and media group have full read/write access
  
• Refreshed metadata for all libraries several times, including the option to replace existing metadata
  
• Manually scanned all libraries multiple times
  
• Tried using the NFO option for metadata
  
• Reordered the priority of the image fetchers, metadata sources 
  
• Tried pretty much every metadata option under Admin dashboard > Libraries > Manage library
  
• Cleared browser cache
  
• Tried a different theme
  

This is happening both on web (Chrome) and on the Google TV Jellyfin app. Can't get the images to show up on these folders. Once I go into the "Movies" or "TV" libraries, the movies and shows have all the proper images and data, nothing looks missing or incorrect. Any ideas on what I could've missed or what I can do to troubleshoot this further? Below is an image that clearly shows the problem:


Thanks!