Ok I figured i would do it a little different.
I got it kind of going
http://imgur.com/nvkDYvH
It needs to be the embed full on screen and no embed.
<iframe src="http://site.com/a/embed.htm" width="850" height="528" frameborder="1">
<p>Your browser does not support iframes.</p>
</iframe>
frameborder at 0 or 1 still leaves scrolling and i cant change the with of the embed