Add background image/layout for single page?

This assumes that you want to add a background image for a specific page:

Create your CSS class for the background you want.

body.custombg {background: url("images/background.gif"); }

In the header, you can use something like this to check for a specific page.

<body <?php if(is_page(123)) echo 'class="custombg"' ?>>

See Conditional Tags for more ideas of what you can do.

As for the layout of that site, you should contact them and find out if they are using a publicly available theme or if it is a custom design.

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