OS X 10.8 or later. This script will look for an image file in the parent folder of each selected track's file--presumably its Album folder in which you have previously placed an image file of some sort--and apply the data from that image file as artwork for the track.
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Applet assists with swapping, copying, appending data between track tags
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Creates a new playlist in a chosen Playlist Folder from selected tracks
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Display/export a text file list of chosen tag data in library or playlist
downloaded 1h 12m 51s ago
Delete characters from the beginning or ending of selected tracks' name, artist, album, comments, composer, or show tags
downloaded 1h 36m 54s ago
Batch-create music playlists by individual year
downloaded 1h 46m 42s ago
Convert selected tracks and export the converted files to a new folder