How to add tag cloud to your blog?
Tag cloud is a cool technique that is used to categorize your posts, bookmarks, articles. The del.icio.us site is one of the most popular place where you can find the tag cloud use in action. Tagging (as it is commonly called) is one of the Web 2.0 feature.
The default templates available on blogspot don't give you the feature of tag cloud.
In order to add the tag cloud to your blog site follow the steps as explained in the following link