you will need patience..... a lot of it. if you dont have a GameEx license, i recommend you to buy one. without, you will hate that nag-screen . theme-editing / skinning, is what it says, nothing more or less. you cant add new features or stuff like this. you can write a plugin off course. if you plan something bigger, feel free to ask if its even possible to do it the way you intend. otherwise it can be frustrated and time consuming. as Draco said, there are a lot of people here, who are willing to help . as you can work with photoshop, the graphics wont be a big problem. you have a foreground, a background (can be even a video) and one alpha on top of them... start to work