I found the image of the Mary E. Keene at the New Orleans Library. The image of the Lizzie Simmons was found in the records of a historical society. You can see the image of the Mary E. Keene at the CSS Pontchartrain Project's page on facebook...Here is the Link
http://www.facebook.com/photo.php?pid=3899330&id=129006840279
I will post the image of the Lizzie Simmons in the near future...
William Stevens
(501) 744-7422