Wordle is a toy for generating “word clouds” from text that you provide. The clouds give greater prominence to words that appear more frequently in the source text. You can tweak your clouds with different fonts, layouts, and color schemes. The images you create with Wordle are yours to use however you like. You can print them out, or save them to the Wordle gallery to share with your friends.
I tried it with the content of this blog. Go into Wordle and then follow the instructions. Lots of alternative coloured layouts will be offered. Pick the one you want, save it and then paste the code into where you require it. Could be useful for web sites, presentations.