TAGUL - Create Tag Clouds

Tagul is similar to Wordle. Both create customisable word or tag clouds, the difference is that Tagul’s clouds are embeddable into other websites such as blogs or wikis.

Tagul is a web service that enables you to create gorgeous tag clouds. It is created by Alex, an entrepreneur and tech geek from Moscow, Russia. You can read more in the FAQ section, visit the Blog or explore the Forums. 
It requires signing up with either a new Tagul account, or via some OpenID provider,