Here are a couple of links, the first by Louis Charles who has written a book called "Jesus Religion" (which I have) and speaks a lot on the spiritual life.
http://www.youtube.com/watch?v=IjxT_CdF5kY
This one is by John Spong
http://www.youtube.com/watch?feature=endscreen&v=SF6I5VSZVqc&NR=1
I like where he says "God is not a Christian!"
Jock.