Throw in your ideas on how to utilize the Wii control scheme.
I'll start, you could easily represent holding a bow. Hold out the nunchuck and hold the B button on the Wiimote. Simulate pulling an arrow on the string by bringing the controller back (the further you pull away will decide the power and whether the arrow will fly straight or arc). To aim you must move both the nunchuck and Wiimote in unison. To shot, simply release the B button.
Come on, let's get some brain storming going.