AutoMotivator
http://wigflip.com/automotivator/

Motivator: Create Your Own Customized Motivational Poster
http://bighugelabs.com/flickr/motivator.php

Parody Motivator Generator
http://diy.despair.com/motivator.php

Wanted Poster Generator
http://www.glassgiant.com/wanted/

Create an ASCII Poster
http://www.asciiposter.com/

Uncle Sam Poster Generator
http://www.says-it.com/unclesam/

Glogster - Interactive Online Poster
http://lucyquill.glogster.com/british-badgers-/