1. Make a folder of your favorite artist and copy audio files to that folder.
2. Rename any '.jpg' file to folder.jpg. Resize to 200 x 200.
3. Copy and rename the folder.jpg to AlbumArtSmall.jpg. Resize to 75 x 75.
The Album Art will now adjust automatically to fit the now playing window in Full Mode.
* You can use the 'Resize Picture' included in the WinXP Powertoys for resizing.