Code for New Blogger Tag Cloud / Label Cloud
Before i Teach you lets see how it goona looks
Click here to see tag cloud in Action
To Create a Tag or Label Cloud follow the steps Given Below

It gives the browser the condition that when it’s an item (post) page then show “Hello world” otherwise, for every other pages show “Goodbye Cruel World”. Interesting, isn’t it.<b:if cond='data:blog.pageType == "item"'>
Hello world
<b:else/>
Goodbye Cruel World
</b:if>
<b:if cond='data:blog.pageType == "item"'>
Hello World
</b:if>