The scoring has changed to a 1 to 10 scale.
The ability to display thumbnails sorted by Date or Views
The ability to show more or less detail under each thumbnail
The ability to cast only one vote for a photo in a competition if it ever came to that again.
The ability to combine search criteria and perform complex searches.
The ability to turn on and off the featured photo on the home page.
and a few performance enhancements that went into play after another site with more than 400k combined images started using this software.