Close, but you'll need a link to the actual file to get it to embed- these are links to Flickr pages.  Get it this way:
![screen shot 2013-09-10 at 8 44 12 am](https://f.cloud.github.com/assets/1702745/1114305/d5eec326-1a16-11e3-83e9-50d2ce624568.jpg)