http://cheatsforgamecube.info Cheat for GameCube game Paper Mario Rpg: Star Piecesin The Main Are... Feed 2012-05-23 en http://cheatsforgamecube.info/paper-mario-rpg/cheat/41090.html the main area, use Ground Pound in front of the gallows.
If done correctly, you will either see a palte form jump up or a Star piece will come out of the ground.
Additionally, go bheind any pipe in the game and you will usually find a Star piece.]]>