Need a stylus!!!

Its SUPER fun and Im a pretty good artist but I CANT DRAW WELL in this app without a iPod/ipad/iphone stylus which I sadly DONT HAVE! Its way to hard to draw, I have to press like 4 times to put a line on the "sketch pad" Does anyone know where to get a cheap iPod stylus?

DJisawesome333 about Sketch Guru - My Handy Sketch Pad for iPhone, v1.0.1