:
<a href=\"{$config['http_home_url']}engine/download.php?id={$row['id']}{$area}\" >{$row['name']}</a> [{$size}] ({$lang['att_dcount']} {$row['dcount']}) 

 : 
<table border='0' cellspacing='0' cellpadding='0' align='center' background='{THEME}/imdown/downlod.png' wight='220' height='84'>
<tr>
<td align='center' class='downlod_title'>{$row['name']}</td>
</tr>
<tr>
<td><a href='{$config['http_home_url']}engine/download.php?id={$row['id']}{$area}' class='homebutton'></a>
<a href='{$config['http_home_url']}engine/download.php?id={$row['id']}{$area}' class='downloadbutton'></a></td>
</tr>
<tr>
<td align='center' class='downlod_footer'>[{$size}] ({$lang['att_dcount']} {$row['dcount']})</td>
</tr>
</table>";

 3
 main.tpl
  head : 
<script type="text/javascript" src="{THEME}/imdown/jquery-1.3.2.min.js"></script> 
<script type="text/javascript">
$(document).ready(function() {
$('.homebutton,.downloadbutton').append('<span class="hover"></span>').each(function () {
var $span = $('> span.hover', this).css('opacity', 0);
$(this).hover(function () {
$span.stop().fadeTo(500, 1);
}, function () {
$span.stop().fadeTo(500, 0);
});
});
});
</script> 

 4
 style.css     : 
.downlod_title {
font-family: tahoma;
font-size: 10px;
color: #FFFFFF;
padding-top: 2px;
height: 23px;
}
.downlod_footer {
font-family: tahoma;
font-size: 10px;
color: #FFFFFF;
padding-bottom: 2px;
height: 23px;
}
.downloadbutton {
float: left;
width:107px;
height:38px;
display:block;
background-image:url(../imdown/twobuttons.png);
background-position: top right;
}
.downloadbutton span.hover{
position: absolute;
display: block;
width:107px;
height:38px;
background-position: bottom right;
background-image:url(../imdown/twobuttons.png);
}
.homebutton {
float: left;
width:120px;
height:38px;
display:block;
background-image:url(../imdown/twobuttons.png);
background-position: top left;
}
.homebutton span.hover{
position: absolute;
display: block;
width:120px;
height:38px;
background-position: bottom left;
background-image:url(../imdown/twobuttons.png);
}