i think the lot of us can always benifit in this topic by reading the books of Joseph Cambell, he was before his passing a christian whoose beliefs were strengthened when he looked at other cultures religions and saw how many had similar tales intertwined in them.

his books include:
The Hero With A Thousand Faces
Myths To Live By
The Flight Of The Wild Gander
The Power Of Myth(transcript of Bill Moyers interview)