Blibahblubah allows the blog owner to customize the tag cloud so that mousing over the tag cloud will see customizable effects.
Blibahblubah Tag Cloud is a plugin that allows the blog owner to customize the tag cloud so that any reader mousing over the tag cloud will see the words in the tag cloud flicker with a customizable effect. This is just a fancy bell and whistle to add to your blog.
You can adjust the font growth, the highlight color, the font decoration (bold, underline, italic, etc.), and bordering options.