Aparently some guys have written a web gadget for online tag cloud creation. It is taking your RSS feed and generates a nice picture that you can customize on their website. Here is mine Wordle:
Home: Archive
2008-07-01 - 2008-07-31
Funny stuff - Wordle.
Posted on 07/06/08 01:54:45. | 
I happened to see that keyword over the Internet quite a lot. Finally decided to check WTF.