extras-devel is what you need. I am surprised that it did not work for you. It is working for me perfectly. I just refreshed my database last night to add some more files, and cover art generation was fast and painless. Have you tried starting from canola cleanup and then going all the way ? Quite honestly, while I have 0.2.3-maemo2, I never uninstalled the flickr plugin, so I do not know if the latest tuning plugin solved anything. But I will try to uninstall everything tonight and reinstall one by one and let you know how it goes