System Requirements

PHP 4.3.0+ or PHP 5+
GD 2.x with JPG Support Enabled
GD FreeType Support (Recommended)
FTP Support Enabled (Needed only for Autotrader and Cars.com Automatic FTP Transfer)
mySQL 4 or 5
Zend Optimizer or ability to use Ioncube Loaders

See: Checking The Server

Notes:

Freetype Info
This is the library used to write Sold, Pending, Etc. to the images in real time. If your server does not support FreeType the program will work as usual but the writing to images feature will not function. If FreeType is added the feature will start working as expected.