http://podcastmedia.nationalgeographic.com/dogwhisperer/pc52_Snoopy.m4v Snoopy http://feedproxy.google.com/~r/dog-whisperer/~3/3_j-Q_r9ucM/pc52_Snoopy.m4v 2007-07-06 http://assets.libsyn.com/item/k-ade29ab28db9020c