I found this little Java application on the web. Wordle download the warriors online download gnaw dvd is a web based application that creates an image of clouds of words that are found on your webpage/blog.
mask of the ninja download I think it only selects the words that are on your index page. I tried selecting the RSS feed from my blog but it gave me the same image & words. Anyway it looks like fun, so why don’t you give it a try.