Here's Knut's amplifier with the Shure57. There's many position on how you put the mic to the speaker.
		The main thing is how you want the sound. The mic's position decides how your sound is. Just find yourself  the correct position.	Yep, Jonny, Øyvin and Knut in a recording session some day... :-)
		Be sure you remember the best position for later takes, right? ;-)
			This is the easy, fast and bad way to do it.