You can find more stages on [http://www.supersonicwii.com/forums/forumdisplay.php?fid=7 The Supersonic Wii forum] and the [http://z11.invisionfree.com/amplituds/index.php?showforum=12 AmplituDS forum]. The stages are to be placed in one of the folders in sd:/DATA/supersonicwii/WORLDS