S.E. Schlosser
American Folklore: Tall Tales
This site provides brief tall tales from many different states. The site also provides what they all have in common.
Other
Tall Tales and Tricksters
This site talks about what a tall tale is and also lists some tall tales and their characters. There are many book references to help.
Other
Paul Bunyan: The Giant Lumberjack
This online version of the tall tale of Paul Bunyan features illustrations of this American folk hero.