i'm right by the black lake in the petrified forest, where the beavers jump in to get the bones:
http://img683.imageshack.us/img683/3216/poormanny.jpg
manny wont go back the path where he came from, im stuck here. i threw two bones in the lake, and two beavers jumped after them, im guessing the third beaver is waiting for the third bone, but manny wont throw it. he wont even acknowledge the lake, he doesnt turn his head. the only thing he does is say "Hmmm" when i examine the rock behind him.
i read the walkthrough and it seems ive done things in a different order, i think im supposed to have a key, also i havent been through the maze yet. but i should be able to go back..
(i tried rebooting, no use)