I like the colours and the depth in #1. Pity the top of the man's head blends into the tree.
Nice colours again on #5 and #8.
Like the shadow play on #7 and #4.
I like #3 the most but the perspective is a little off. Maybe if its taken from a slightly lower position and not using such a wide angle (use a narrower angle and move back further) it'll come out better?