I need cheats to the simpsons game on nintendo DS....?

I am up to the part where Bart is in the room with the pencils coming out of the walls and the lawyers are throwing papers at him....I can't get past the point where there are gold things being spat out from dogs on the walls and you have to swing from the cable things while avoiding the money bags....Anyone got any help for me PLEASE?! It is drving me mad and i really want to get past the level....