http://www.vrml.k12.la.us/5th/homework/trophy/th5/frindle.htm
http://www.readwritethink.org/files/resources/interactives/letter_generator/
http://www.readwritethink.org/files/resources/interactives/postcard/
http://www.readwritethink.org/files/resources/interactives/comic/
http://www.readwritethink.org/files/resources/interactives/cube_creator/
http://www.readwritethink.org/files/resources/interactives/letter_generator/
http://www.readwritethink.org/files/resources/interactives/postcard/
http://www.readwritethink.org/files/resources/interactives/comic/
http://www.readwritethink.org/files/resources/interactives/cube_creator/
Friendly letter template: http://www.readwritethink.org/files/resources/interactives/letter_generator/