(note: I just copy and paste this cloud so its not my tag in this cloud)
Cloud Tag resource from - http://www.bloggerbuster.com/
How you can add Blogumus to your own Blogger layout with ease
How to install Blogumus in your Blogger layout
You just need to copy and paste for this, here are the steps required to install Blogumus in your Blogger layout:
Go to Layout>Edit HTML in your Blogger dashboard:
And then tick expand widget templates
Use "Ctrl + F" and search for the following line (or similar): 
(copy all the words below this and paste it in the find box)
<b:section class='sidebar' id='sidebar' preferred='yes'>
<b:widget id='Label99' locked='false' title='Labels' type='Label'>
<b:includable id='main'>
<b:if cond='data:title'>
<h2><data:title/></h2>
</b:if>
<div class='widget-content'>
<script src='http://halotemplates.s3.amazonaws.com/wp-cumulus-example/swfobject.js' type='text/javascript'/>
<div id='flashcontent'>Blogumulus by <a href='http://www.roytanck.com/'>Roy Tanck</a> and <a href='http://www.bloggerbuster.com'>Amanda Fazani</a></div>
<script type='text/javascript'>
var so = new SWFObject("http://halotemplates.s3.amazonaws.com/wp-cumulus-example/tagcloud.swf", "tagcloud", "240", "300", "7", "#ffffff");
// uncomment next line to enable transparency
//so.addParam("wmode", "transparent");
so.addVariable("tcolor", "0x333333");
so.addVariable("mode", "tags");
so.addVariable("distr", "true");
so.addVariable("tspeed", "100");
so.addVariable("tagcloud", "<tags><b:loop values='data:labels' var='label'><a expr:href='data:label.url' style='12'><data:label.name/></a></b:loop></tags>");
so.addParam("allowScriptAccess", "always");
so.write("flashcontent");
</script>
<b:include name='quickedit'/>
</div>
</b:includable>
</b:widget>
