Though nothing compares to seeing New Orleans for yourself, this map tries to show what parts of the city really look like. Click on the link and you can view many parts of the city.
http://www.wayfaring.com/maps/show/34466
Keep in mind it's still under construction. Also, if you have any pictures you'd like to add (and you know exactly where they were taken), please send them to blsshn07@gmail.com.