I recorded these lessons specifically for OU's Nach Yomi program. You can find these files, and many other great Nach shiurim (by Rabbis Leibtag, Etshalom, Maryles, among many other leading Tanach scholars) at http://www.ouradio.org/nach.
Chapter 27: Kerem Hemer Anu Lah! vHishtahavu LaShem bHar Hakodesh, biyRushalayim
Chapter 34: Al Edom Tayreid
Chapter 35: viNas Yagon viAnacha
Chapter 45: Koresh!
Chapter 46:Bel and Nebo Bow and Bend over
Chapter 47: Babylon brought low
Chapter 48: Come on home from Babylon
Chapter 49: God supports his servant and his nation
Chapter 50: No divorce
Chapter 51: Made of Abraham and Sarah
Chapter 52: The Holy city and its King
Chapter 53: Israel suffers
Chapter 54: Never again!