In a galaxy not so far away (in fact, right here), the original "Star Wars" trilogy made hyper-speed leaps in the realm of special effects. But hold onto your lightsabers, young padawans, because the Force was especially strong with one old-school technique: matte paintings. While many credit the Millennium Falcon and Death Star trench runs for the trilogy’s visual splendor, a lot of the expansive and breathtaking vistas of a galaxy far, far away were hand-painted marvels. Before the rise of th…