The key to the perfect photograph? According to the renowned photographer Ansel Adams, the answer lies far beyond the camera lens. Most important is the photographer him- or herself, and the way in which he or she pieces together their experiences into one, unified image. An image that reflects all the pictures they've seen, the books they've read and the people they've loved. Just take a look at our artists' photography posters and prints, and their sources of inspiration will soon become clear.