Here's how I display mine.
<img src="http://farm7.static.flickr.com/6079/6080538451_640c83e15a.jpg" width="500" height="375" alt="2011-08-25 14.41.05"></a>
<img src="http://farm7.static.flickr.com/6074/6080540161_ce91679122.jpg" width="375" height="500" alt="2011-08-25 14.42.12"></a>
<img src="http://farm7.static.flickr.com/6199/6081072378_2649decf51.jpg" width="500" height="375" alt="2011-08-25 14.41.29"></a>
<img src="http://farm7.static.flickr.com/6069/6080536159_7434467e75.jpg" width="500" height="375" alt="2011-08-25 14.41.53"></a>
I think they look good together. Hope this helps.