grid2.html

<ul class="grid">
	<li class="high">
		<img src="burger1.jpg">
	</li>
	<li>
		<img src="burger2.jpg">
	</li>
	<li class="wide">
		<img src="burger3.jpg">
	</li>
	<li>
		<img src="burger4.jpg">
	</li>
	<li class="wide high">
		<img src="burger5.jpg">
	</li>
	<li>
		<img src="burger6.jpg">
	</li>
	<li class="high">
		<img src="burger7.jpg">
	</li>
	...
</ul>