Word Play

Jim Kalb's Palindrome Connection - A collection of links to web pages about palindromes -- phrases that spell the same forwards as backwards, like "Able was I ere I saw Elba".
http://www.nyx.net/~jkalb/palindromes/

Phobias - Article that lists some of the more amusing phobias, like arachibutyrophobia -- the fear of peanut butter sticking to the roof of the mouth.
http://www.geocities.com/nallen20/FunnyPhobias.txt

Lost in Translation - Enter a sentence to have it translated from English to five different languages and back. The result is often funny; nothing like the original sentence.
http://www.tashian.com/multibabel/

The Nautical Origins for Some Common Expressions - Explaining the seafaring origins of some common words, figures of speech, and everyday expressions, like "toe the line" and "scuttlebutt".
http://www.fortogden.com/nauticalterms.html

Crossword Puzzles for ESL Students - A selection of online crossword puzzles sorted by difficulty.
http://iteslj.org/cw/

Mockok.com - A large collection of palindromes, focusing on palindromic single sentences (spelling the same forwards and backwards). Submissions welcome.
http://www.mockok.com/

AskOxford: Word Games - Cryptic and easy crosswords, fiendish word games, the history of crosswords, and scrabble and behind the scenes at Countdown.
http://www.askoxford.com/wordgames/?view=uk

NOVA: Decoding Nazi Secrets - Crack the ciphers, send a coded message, and find out what goes on in the minds of code-breakers.
http://www.pbs.org/wgbh/nova/decoding/

eLibs.com - Creating interactive stories from user inputs. Possibility to add a dialect; also different categories and polls.
http://www.elibs.com/

Piece of Pi MadLibs - Featuring a collection of madlib stories and poetry.
http://madlibs.freeservers.com/

Kid Crosswords and Other Puzzles - Choose from several puzzles created just for kids. New puzzles each month.
http://www.kidcrosswords.com/