1. Log in to yur blogger account
2. Go to Design --> Edit HTML
3. Copy the code below, and paste above </body>
<!-- zFPmenu START -->
<div id='zfpm_div' style='display:none;'>
<div id='zfpm_upperBox'>
</div>
<ul id='zfpm_ul'>
<!-- Your menus start -->
<li><a href=''>YOUR MENU-1</a></li>
<li class='dir'><a href=''>YOUR MENU 2 (containing submenu)</a>
<ul>
<li class='dir'><a href=''>YOUR SUBMENU 2.1 (containing sub-submenu)</a>
<ul>
<li><a href=''>YOUR SUB-SUBMENU 2.1.1</a></li>
<li><a href=''>YOUR SUB-SUBMENU 2.1.2</a></li>
</ul>
</li>
<li><a href=''>YOUR SUBMENU 2.2</a></li>
<li><a href=''>YOUR SUBMENU 2.3</a></li>
</ul>
</li>
<!-- Your menus end -->
</ul></div>
<script type='text/javascript'>
var zfpm_colorTheme = 'light'
var zfpm_shareBox = 'no';
</script>
<script src='http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js' type='text/javascript'/>
<script src='http://zfpmenu.googlecode.com/svn/trunk/js/zfpmenu.js' type='text/javascript'/>
<!-- zFPmenu END -->
=> Customize first the code<div id='zfpm_div' style='display:none;'>
<div id='zfpm_upperBox'>
Add ads, text message, etc.
</div>
<ul id='zfpm_ul'>
<!-- Your menus start -->
<li><a href=''>YOUR MENU-1</a></li>
<li class='dir'><a href=''>YOUR MENU 2 (containing submenu)</a>
<ul>
<li class='dir'><a href=''>YOUR SUBMENU 2.1 (containing sub-submenu)</a>
<ul>
<li><a href=''>YOUR SUB-SUBMENU 2.1.1</a></li>
<li><a href=''>YOUR SUB-SUBMENU 2.1.2</a></li>
</ul>
</li>
<li><a href=''>YOUR SUBMENU 2.2</a></li>
<li><a href=''>YOUR SUBMENU 2.3</a></li>
</ul>
</li>
<!-- Your menus end -->
</ul></div>
<script type='text/javascript'>
var zfpm_colorTheme = 'light'
var zfpm_shareBox = 'no';
</script>
<script src='http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js' type='text/javascript'/>
<script src='http://zfpmenu.googlecode.com/svn/trunk/js/zfpmenu.js' type='text/javascript'/>
<!-- zFPmenu END -->
4. Click SAVE TEMPLATE