Wall has pioneered state-of-the-art film and digital techniques to compose meticulously staged scenes. At first glance they often appear to be snapshots but, on closer inspection, the multi-layered content sometimes seems too bizarre or complex to be real. He views himself as part painter, part movie director and part photographer, all three being part, in his opinion, of a single pictorial tradition. Some images are shot on location, others in his studio. The process may include paid actors and consultants, stage builders and Hollywood special effects experts.