December 06, 2012, 5:03 PM — Here's how you can get missing album artwork for your music in iTunes 11.
1. Open the iTunes application.
2. Go to File in the menubar.
3. Click on Library.
5. Click on Get Album Artwork.
For more, see the original article at the link below.
The Ultimate List Of iTunes 11 Tips, Tricks And Changes | Cult of Mac