I love Wordle: You put in words and it scrambles them into a really cool graphic...They call them "word clouds." Every time a word is repeated in the original text, it is a little larger in the word cloud where the words are only listed once. You can mix them up, changing the color, font and shape of the cloud. It is so cool!
This one is Psalm 40. Click on this image to see it larger:
Here's another from the words to "Did You Feel the Mountains Tremble?":