A good study of the Ten Commandments is on http://blogtalkradio.com .  The name of the broadcast is Perspectives-on-the-Bible.  Titled Ten Commandments 1 and Ten Commandments 2, the programs base the commentary on William Barclay’s book from 1979 titled Ten Commandments for Today. Over 400 hundred listeners have listened to the archived broadcast.  Give it a try.