[This is on the basis that the album name and/or the MusicBrainz Id [under a different album] change).
If you choose to have one artwork image to be added to each file in the settings, and you go to “Get Artwork” or whatever OR you go to “AutoCorrect Based on MusicBrainz Database” or whatever, will a new, single (based on the settings selected) image override the old one given by Jaikoz and/or iTunes?