[Goliath2000]

Usually "cdart.png" is downloaded into the album folder? Cant you pull it directly from the album folder, or perhaps this must be supported in the API as you mentioned?

LOL...see one post earlier :-)

Yes that's exactly whats happening you can either use CdART_Manager to download automatically or do it manually by adding cdart.png in each album folder. This will be picked up by kodi/xbmc