<style type="text/css">.comment {background:url(URL DE TU IMAGEN);
background-position: 23px 30px;background-repeat:no-repeat;}.comment-picture {MARGIN-TOP: 6em; LEFT: 15em;POSITION: relative;}
.comment-picture {height:100px!important; width:100px;border:none;}
.comment-picture a img {width:100px;height:100px;border:none;} </style>