Help Me Obi Wan, You're My Only Hope!

I have an opportunity to show ONE piece in an upcoming art show in January 2014. I've narrowed it down to these candidates and there is a poll on the blog that I would greatly appreciate you voting on to help me make a decision.

1. Portrait of My Mother As A Young Woman

2. Moment of Zen

3. skull & Hat

4.Falling flowers

5. I see things that aren't there

6. Blue bunny