Updated the plugin to be used for tag_cloud also

Hi, 
I have updated the plugin to be used for tag_cloud also.

Hope this helps someone.
Many Thanks for your work.
Screen shot attached below.

![tagscreenshot](https://f.cloud.github.com/assets/2206818/79807/d10508de-61ca-11e2-87fb-f75e4eb33720.jpg)