Here is the sign-up thread ( http://forums.bowhunting.com/showthread.php?29689-Official-Sign-Ups-for-2012-Shed-Contest ) however it looks like you are too late and sign-ups have closed. Which is why the thread is locked.
Welcome to the site. Sorry you missed the deadline but this forum runs a collection of contests throughout the year.. join in.. I think there's a turkey one coming up. If you find some bone.. post it here.. we love to gawk. Good luck.