Here's the link to register for any CO promos. You will need to know the promo code for this link to work:

http://onepass.continental.com/asp_u...e=promoreg.htm

Faretracker is a program written by Moonlight labs that automatically enrolls you for all NW & CO promos. The program needs to be downloaded and put onto your computer though. Here is the link for that:

http://www.moonlightlabs.com/miletracker.html