step 1: Go through lot of tutorials in Photoshop, replicate different type of effects, patterns, actions. step 2a: move on to Illustrator, once you start neede

step 1: Go through lot of tutorials in Photoshop, replicate different type of effects, patterns, actions. step 2a: move on to Illustrator, once you start needed quality images. or/and step 2b: start using your html/css knowledge with your new found design skills, to start making websites after that you are pretty much done.