This video will try to explain how to connect a Wiimote to a regular Windows pc. It will also tell how you can turn your Wiimote into anything you'd like. This video uses a media remote script for an example.
WiiLi forums (for Wiimote scripts*I recommend pages 5&6*):
eLounge (great online gaming community):
*Note: That is not a USB Flash drive in the video, that is a Bluetooth adapter.