If you need to add tags cloud easy, try the tx3TagCloud. It’s a small tag cloud jQuery plugin for web projects.
A small and easy to use tag cloud jQuery plugin
Yet another, very simple and small solution to creating tag clouds for web projects. This piece of code is a simple lightweight jQuery plugin, which transforms HTML unordered list into a nice looking tag cloud widget. Easy to adapt on any website or blog.
Include jQuery and the plugin files, and generate HTML list with tags. For example: