As most learners of a foreign language will tell you, a little a day is better than a lot occasionally. So to get in the habit of doing Italian language practice every day, why not subscribe to some Italian lessons to listen to on your iPod.
Podcasting is a subscription method for publishing audio files published in a way that allows subscribers to receive an automatic notification that new shows are available through services like iTunes. As podcasts are typically saved in mp3 format, they can also be listened to on most portable media devices and just about any computer.
Here to get you started are a couple of links:
LearnItalianPod is a monthly subscription service (as of posting $14.95), renewed every month until you cancel it (which can be done at any time).