Add header to filmstrip

Before:
![image](https://cloud.githubusercontent.com/assets/302258/3276716/a08840ea-f350-11e3-9cc4-5c4d63d1f89e.png)

After:
![image](https://cloud.githubusercontent.com/assets/302258/3276702/3d45b80a-f350-11e3-8104-3e3fe052a84f.png)