The U.S. Family Network was a DeLay-Blunt controlled front group that was largely funded by Jack Abramoff's clients and the National Republican Congressional Committee.
Below are two Fired Up! America posts that lay out the connections between DeLay, Inc., Blunt, Inc. and the U.S. Family Network. The first includes a link to the definitive Washington Post story on the funding behind the U.S. Family Network.
DeLay, Abramoff, Blunt and the U.S. Family Network
DeLay, Blunt, Abramoff Are Becoming Anchors For The House GOP
For more general information on Rep. Roy Blunt (R-K Street), here's a backgrounder.