Sydney Royal Easter Show

A few of my shots from the show last Saturday. Wasn't really happy with any of my pics. Had trouble with the harsh lighting at the wood chop.
How could I have improved these pics?
1. 1/320, f/5.6, +1.33EV
2. 1/2000, f/6.3
3. 1/500, f/5.6
4.

How could I have improved these pics?
1. 1/320, f/5.6, +1.33EV

2. 1/2000, f/6.3

3. 1/500, f/5.6

4.
