1. Log in to your dashboard--> Design- -> Edit HTML

2. Click on "Expand Widget Templates"

3. Search "Ctrl+F" and find ]]></b:skin>.Right before it paste the next code:

<style type="text/css">

width: 190px; /*width of menu*/

.urbangreymenu .headerbar{
font: bold 13px Verdana;
color: white;
background: #606060 url(http://img407.imageshack.us/img407/6162/arrowstop.gif) no-repeat 8px 6px; /*last 2 values are the x and y coordinates of bullet image*/
margin-bottom: 0; /*bottom spacing between header and rest of content*/
text-transform: uppercase;
padding: 7px 0 7px 31px; /*31px is left indentation of header text*/

.urbangreymenu ul{
list-style-type: none;
margin: 0;
padding: 0;
margin-bottom: 0; /*bottom spacing between each UL and rest of content*/

.urbangreymenu ul li{
padding-bottom: 2px; /*bottom spacing between menu items*/

.urbangreymenu ul li a{
font: normal 12px Arial;
color: black;
background: #E9E9E9;
display: block;
padding: 5px 0;
line-height: 17px;
padding-left: 8px; /*link text is indented 8px*/
text-decoration: none;

.urbangreymenu ul li a:visited{
color: black;

.urbangreymenu ul li a:hover{ /*hover state CSS*/
color: white;
background: black;


4. Now go to Layout-->Page Element and click on "Add a gadget". Select "html/java script" and add the code given below and click save.

<div class="urbangreymenu">

<h3 class="headerbar">CSS Menu</h3>
<li><a href="http://www.artistutorials.co.cc">Horizontal CSS Menus</a></li>
<li><a href="http://www.artistutorials.co.cc">Vertical CSS Menus</a></li>
<li><a href="http://www.artistutorials.co.cc">Image CSS</a></li>
<li><a href="http://www.artistutorials.co.cc">Form CSS</a></li>
<li><a href="http://www.artistutorials.co.cc">DIVs and containers</a></li>
<li><a href="http://www.artistutorials.co.cc">Links & Buttons</a></li>
<li><a href="http://www.artistutorials.co.cc">Other</a></li>
<li><a href="http://www.artistutorials.co.cc</a></li>

<h3 class="headerbar">JavaScript Kit</h3>
<li><a href="http://www.javascriptkit.com/cutpastejava.shtml" >Free JavaScripts</a></li>
<li><a href="http://www.javascriptkit.com/javatutors/">JavaScript tutorials</a></li>
<li><a href="http://www.javascriptkit.com/jsref/">JavaScript Reference</a></li>
<li><a href="http://www.javascriptkit.com/dhtmltutors/">DHTML & CSS</a></li>
<li><a href="http://www.javascriptkit.com/howto/">Web Design</a></li>
<li><a href="http://www.javascriptkit.com/java/">Free Java Applets</a></li>


Change the dummy text and links with your own.