This script will examine the current web page in Safari for your choice of media file links (currently mp3, aac, and pdf files) and allow you to select any found files to download and then add them to iTunes. Options include selecting download location, adding to a particular iTunes playlist, and the ability to delete the original files after adding to iTunes. Be sure to read the Read Me.
DISCLAIMER: This script is not intended to be used to download copyrighted material. Please bear that in mind.
(Note: In order to launch this PowerPC-era script on an Intel machine, it must first be opened and then saved using AppleScript Editor, which is located in your /Applications/Utilities/ folder. More information is here.)
Delete characters from the beginning or ending of selected tracks' name, artist, album, comments, composer, or show tags
Set choice of various number tags of selected tracks incrementally
Locates pairs of track entries pointing to the same file
Displays files in iTunes Media folder not in iTunes track library
Perform various tasks on a selection of playlists; rename, delete, duplicate, merge, more
Copy chosen tag info from one set of tracks to a different set of tracks