Somehow I managed it to get thumbnails for flac audio files, which have covers included in their tags, to show up in Ubuntu version 11.10. But since I reinstalled for Ubuntu 12.04, they don't show up ...
I have some CDs that I want to convert to FLAC. Banshee can't find their metadata, but Windows Media Player can. I figured there are two workarounds: Rip all CDs using Windows Media Player ...