// put this shiz somewhere
	[[UIAccelerometer sharedAccelerometer] setUpdateInterval:0.1];
	[[UIAccelerometer sharedAccelerometer] setDelegate:self];

// put this in ur interface declaration as a protocol declaration

<UIAccelerometerDelegate>

// put thiz in the class uve set as the delegate (this class basically)
#define kFilteringFactor 0.1
-(void)accelerometer:(UIAccelerometer *)accelerometer didAccelerate:(UIAcceleration *)acceleration
{
	UIAccelerationValue accelY;
	accelY = (acceleration.y * kFilteringFactor) + (accelY * (1.0 - kFilteringFactor));
	if(accelY > 0.075){
		// the shiz that happens when u haz shake
	}
}