Select picture button should wrap

When the button becomes larger than the container above it, the text should wrap to the next line (and the text should be centered).

![screen shot 2014-02-25 at 17 48 32](https://f.cloud.github.com/assets/109850/2260774/97f204e4-9e45-11e3-9ea2-c50fd50bbfcd.png)