This excellent 1 hour and 6 minute talk, posted with Fr. Josiah's permission, is offered as a set of downloadable Windows Media Files (WMA). Windows users simply right-click each link and select Save As to download the file. (For a Mac just click!) You will need to download Windows Media Player or Apple QuickTime to listen to the lectures.
Listen to each track or download the entire set of files (15 megs):