Box art sourced from libretro-thumbnails (Named_Boxarts).
Matched name: Super Castlevania IV (USA)
URL: https://thumbnails.libretro.com/Nintendo%20-%20Super%20Nintendo%20Entertainment%20System/Named_Boxarts/Super%20Castlevania%20IV%20(USA).png
https://github.com/libretro-thumbnails/libretro-thumbnails
PNG is for README; TGA is for recomp-ui LAUNCHER_BOXART.
