yes i requested this option in clementine long time ago.
i ripped al my cd's and sacd's and remove all numbers i don't like, so i never have to skip/hear them again.
a lot of numbers get in folders with different artists albums, the cover.jpg/front.jpg will not work in one folder.
and it could be nice to scan for covers and embed them in the mp3/flac file
now if i scan and save a cover, strawberry uses this one as a albumcover for all files