Tim Keller: The Gospel and the Poor: A Case for Compassion from Here's Life Inner City on Vimeo.
The Prodigal God, in which he examined the familiar parable of the Prodigal Son.
You can download the series here, and they are also linked below (click to listen or right click to download). I can't recommend them enough. This is the kind of insightful teaching that stirs the faith and kindles the heart.
2. Give Me Mine