In body videos will now have a poster image added

 if it comes form the content api....

![embedded_video](https://f.cloud.github.com/assets/76709/1573278/57312bac-512d-11e3-9a72-f87337ba3579.png)
![embedded_trail](https://f.cloud.github.com/assets/76709/1573279/58ccb42c-512d-11e3-9920-7be9080b02a9.png)