The first artist I found that manipulate photos is a man named Cristophe Gilbert. He is a Belgian photographer who is well recognized and received in the advertising world. Known for giving great attention to the smallest details, He has done work for DDB, Euro RSCG, FCB, Ikea, Mercedes, Playstation, and so much more.
A second artist is Erick Almas. Orginally from Norway, but based in San Francisco. Erick is often praised for his surrealistic style in his images. Created several advertisements for several major companies including Nike, Microsoft, Toyota, and American Airlines.