endpoint.tv Screencast - Getting started with the WCF REST Starter Kit Preview 2

I got the part on how to use GET method and process the REST services, but I can't get through with the POST method.
i tried post (url, new httpcontent("paramer=value")); but it doesn't work
how do i post the parameter and value over using httpclient? thanks
If you could make the source codea vailable for download , that will help a lot of people like me who have slower internet speed
A nice video, i will download it.Thanks!!!