Can someone please post on here the coding to add a BG and header?

Thanks.

The codding for that is already there. Scroll down to the bottom of the codes.

Yes, but I can't figure out where to put the url

There's a part...url(link here);

That's where you have to put a direct link to an image there.

Thanks. Also when I put the background on it is a huge image but it doesn't full the space.

HEE has some very long pages. You'll need to either create a repeating background

background-repeat:repeat-y;

or a fixed background

background-attachment: fixed;
background-position: center;
background-size: cover;

Thank you