OS X 10.8 or later only. This script will export the artwork of the selected tracks or tracks in the selected playlist as a JPEG image file named folder.jpg to the folder which contains each selected track's file--presumably the track's Album folder. Many third-party music players and systems (Sonos, for example) may look for a "folder.jpg" here to use as display artwork. If multiple album tracks are selected, the script will make sure only one image file per Album is exported.
Based on Save Album Art to Album Folder.
The Preferences pane for the script.
Exports and then re-imports selected tracks' artwork
Export artwork of selected tracks to parent or specified folder
Convert selected tracks and replace them with converted versions
Renumber order of selected tracks
List tracks not assigned to playlists
Apply selected CD's CD Text to its disc and track tags