How do I change which wallpapers show up? I overwrote the old wallpapers in the private folder with different pictures, but now I just get a black screen. Also, how do I change the lockscreen to defualt, or add my own widgets to the lockscreen? Please help! Thanks! Edit: I got a wallpaper now, but only one and I can't get them to switch like a slideshow. Edit2: Okay, I got it working now. But I still want to know how to change the lockscreen, how do I add my own background?