Passion in Art
In case you haven't discovered this yet. ArtCyclopedia has a feature on the Passon of Christ in art by Joseph Phelan. The accompanying article compares the movies representations to artistic renderings which includes reference to an interview with the movie's camerman, Michael Deschanel in American Cinematographer.
Phelan concludes "So it is clear from the above that in order to fully appreciate the creative process that went into the making of a film like The Passion of the Christ, one has to consider the legacy of Western art that lies behind it. Regardless of the vigorous and sometimes acrimonious controversy surrounding the religious implications of the film, we should also see it as a cinematic portal through which the moviegoer can pass to some of the greatest artistic imagery in the history of Western culture."