Go check out the Biblical Curse Generator, which bills itself as follows:
Lost for a smart remark to see off your enemies? Unable to deliver that killer insult? Put an end to “I was speechless!” misery with the amazing Biblical Curse Generator, which is pre-loaded with blistering put-downs as delivered by Elijah, Jeremiah and other monumentally angry saints. Simply click the button below, and get ready to smite your foes with a custom-made curse straight out of the Old Testament.
via a private mailing list I’m on.