Here's the update for 3100 BC:
I built a warrior this turn and continued exploring with my other warriors. One of my warriors stumbled near a barb,and killed the wolf during the interturn. I think i'm doing ok, but this is only my second Civ 4 game (i beat a solo game on Chieftian w/Greece), so if you see my make some bad moves, please tell me. Here's a screenie of the land around my capital: