Underwater photography is tricky, and requires expensive, complicated equipment. But thanks to Photoshop, you don't need to spend thousands of dollars on underwater housing just to create a stunning underwater portrait. All you need is your standard DSLR camera, a little creativity and a few simple steps in Photoshop to create a compelling, surrealist image. For this tutorial, you'll need a portrait of someone posed in a falling position, an image of an empty underwater scene and Photoshop. Start by opening the...