Art Grabber is the best album art grabber to find missing album art pictures of your music.
*It can find album art for any music file as it uses two search engines
*Search by title,artist,album
*Works in two different modes:
1.Saves album art into music library directly(faster)
2.Saves album art into the mp3 file itself. Now if the file is sent to some other device, It will work there also
*It can search and list all music files on SD card
*Option for small size art images