<tagcloud root="123456.0" recursive="1"  fontsizemin="10" fontsizemax="20"/>

Creates a tag cloud from the specified folder for the root parameter. You can specify the font size in pixels for the tags with the least shortcuts by using fontsizemin and for the tags with the most shortcuts by fontsizemax. By using recursive="1" you can show for a tag also the number of shortcuts for the contained tags.