Thanks to David Mackinder for this link from PBS Religion and Ethics News Weekly:
NEWS FEATURE: Christian Marketing of THE PASSION
It features a four minute video of the story. The collected links are useful, including especially the following from Boston College, which I've added to my The Passion of the Christ page:
Resources on the Mel Gibson movie, The Passion of the Christ
The latter includes a useful Comparison of the Gospel Passion Narratives chart (though using some pretty garish colours).