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.
Remove iTunes tracks disassociated from files
Exports and then re-imports selected tracks' artwork
Export album artwork as folder.jpg to Album folder
Export artwork of selected tracks to parent or specified folder
Change file type to make selected AACs bookmarkable
Displays files in iTunes Media folder not in iTunes track library