- 1). Connect the Zune to your computer using the USB cable.
- 2). Start the Zune Software. If you don't have the Zune Software, you can download it from the Zune website (see Resource).
- 3). Click "Collection." Select the album with the artwork you want to add or change. Click "Update album art" to have the Zune Software search for the most relevant artwork, or drag and drop the artwork you want to use onto the box with the default artwork icon to add your own.
Source...