1. Change snake to clever velociraptor.
2. Chase scenes!
3. Reduce number of eternal questions to one or two, max.
4. Show, don't tell.
5. Break down fourth wall.
6. Some tasteful nudity (preferably female).
7. Lose the flood. Not very believable.
8. Add rave scene.
9. Less begatting, more tense courtroom drama.
10. Jesus is a by-the-book rookie cop; Judas plays by his own rules - also, one week from retirement. Pair them up.
11. Surprising twist ending.