title: Set whole background image/colour in WP7
body: <p>I can't seem work out (even though I have seen other apps) how to set the whole background of a WP7 page to a image or colour, like in Panorama for example.</p>
  
  <p>If i set</p>
  
  <pre><code>  Grid x:Name="LayoutRoot" Background="#FF0079C1"
  </code></pre>
  
  <p>Or</p>
  
  <pre><code>&lt;Grid.Background&gt;
          &lt;ImageBrush ImageSource="/images/highwaysBack.jpg" Stretch="None" /&gt;
      &lt;/Grid.Background&gt; 
  </code></pre>
  
  <p>it still leaves the top info section either black or white depending on the phone setting.</p>
  
  <p>Many thanks.</p>