1. Add popular post
2. Add this code above </b:skin>

/*--- MBT Popular Posts --- */
.popular-posts ul {
padding-left: 0px;
counter-reset: popcount;
}
.popular-posts ul li:before {
list-style-type: none;
margin-right: 15px;
padding: 0.3em 0.6em;
counter-increment: popcount;
content: counter(popcount);
font-size: 16px;
background: #292D30;
color: #ffffff;
position: relative;
font-weight: bold;
font-family: georgia;
float: left;
border: 2px solid #dddddd;
box-shadow: 1px 2px 9px #666666; }
.popular-posts ul li {
border-bottom: 1px dashed #dddddd;
}
.popular-posts ul li:hover {
border-bottom: 1px dashed #696969;
}
.popular-posts ul li a {
text-decoration:none; color:#5A5F63;
}

.popular-posts ul li a:hover {
text-decoration:none; }