Halo 2 Easter Egg - Camp Froman

On the level Zanzibar, in the area where the giant wheel is, if your looking from the side of the beach, there is a covered ledge to the left of the wheel. To make sure your in the right place, if you have the settings on map default weapons, there should be a sniper rifle on the edge. Now turn around, there should be a sign on the wall. Read it and it says Camp Froman. To anyone who doesn't know, Campfroman.org is a sight about halo 2