Use the files with Riivolution or Dolphin
With Dolphin Put the StageData Folder inside the folder that contain your game or create. Follow this tutorial to use extracted game with dolphin: http://kuribo64.net/board/thread.php?id=681
With Riivolution You need to create a XML file and a folder for the modified files Exemple: riivolution/"yourfile".xml and "yourfolder"/StageData/(put here the file provided by the repository)