BELOW: Here's a crappy Star Wars-themed picture I made back in 2000 (I think) courtesy of Adobe Photoshop 5.5. It is of two X-Wing fighters attacking a dam-like structure. In reality, the dam-like structure is a 'real' dam. Well, actually it's only the model of a real dam...as I took a photo of the now-completed Three Gorges Dam (um, property of the People's Republic of China) and obviously manipulated the photo. This picture isn't exactly ILM-quality, but oh well. ILM for all you non-film gurus stands for Industrial Light and Magic (the company that did the FX for films like Star Wars, Jurassic Park, Harry Potter, Terminator 2: Judgment Day, Iron Man, Transformers and The Abyss).
I would show the actual photo for comparison, but I might get into trouble since I borrowed this pic from another website without permission. My bad!