si lo q quieres es q cuado pase el cursor se muestre el comentario usa este
<style type="text/css">
#comments .listitem-separator {background: #ffffff !important;}
.comment {height:105px !important;}
.comment:hover {height:100% !important;overflow-y:auto;}
.comment-picture {height:100px !important;width:100px;border:Solid #000000 1px;}
.comment-picture a img {width:100px;height:100px;}
.comment-picture img{filter:Progid:DXImageTransform.Microsoft.Pixelate(MaxSquare=5);}
.comment:hover .comment-picture img{filter:();}
.comment-text {color:#c0c0c0 ;padding:5px 5px 10px 60px;
background:#000000 url(
http://i29.tinypic.com/35lhwqv.gif);
background-repeat:no-repeat;width:190px !important;
border:Solid #000000 3px;border-top:solid #000000 20px;}
</style>
por: Berzavit
