Vorbis artwork not recognized


After tagging some ogg vorbis files with Picard, where cover artwork was added, the cover shows up in fb2k but not in mp3tag. There's a tag named COVERART with what looks like binary content, and a COVERARTMIME tag that says image/jpeg.

Removing those tags and adding a cover with mp3tag works fine with foobar.

Is there a right/wrong - standard/non standard vorbis way here? Could mp3tag be made to handle the Picard artwork tags, or is it better/more compliant to add covers with mp3tag?


Mp3tag uses the official way to save the cover: