Hit the "create" menu and either enter text or a URL. I experimented with several professional development and two retail-oriented urls:
Discovering Assistive Technology, School Library Learning 2.0, Classroom Learning 2.0 and Nonbook Gifts for Book Lovers.
You can add your image to the gallery, print the image, or get the html code for it. Below are Wordle images created for the Discovering Assistive Technology tutorial and the Gift Guide.
Wordle was created by Jonathan Feinberg, who describes
himself as a Senior Software Engineer at IBM Research.