WordPress.org

Does this plugin work with Wordpress versions earlier than 2.5?

No, This plugin is a modified version of Lazyest Gallery by Keytwo. For Wordpress versions pre 2.5, Lazyest Gallery 0.9.5 is availabe on the Plugin Directory

Does this plugin support lightbox?

This plugin supports Lightbox, it recognizes most of the popular Lightbox plugins, If your Lightbox plugin is not recognized, you can force Lightbox support