Código HTML:
<html>
<head>
<title>Ejemplo</title>
<script src="jquery.js" type="text/javascript"></script>
<script type="text/javascript">
$( function () {
$("tr:odd").css("background-color", "#bbbbff");
$('img').one('click', function (){
fila = $('<tr class="nuevaTr"><td colspan="3">nuevo tr</td></tr>');
$(this).parents('tr').after(fila);
});
});
</script>
<style>
.nuevaTr{background-color:#ccc}
</style>
</head>
<body>
<table border="0">
<tr>
<td><img src="imagen.gif" height="20" width="20"></td>
<td>asd</td>
<td>asd</td>
</tr>
<tr>
<td><img src="imagen.gif" height="20" width="20"></td>
<td>asd</td>
<td>asd</td>
</tr>
<tr>
<td><img src="imagen.gif" height="20" width="20"></td>
<td>asd</td>
<td>asd</td>
</tr>
<tr>
<td><img src="imagen.gif" height="20" width="20"></td>
<td>asd</td>
<td>asd</td>
</tr>
<tr>
<td><img src="imagen.gif" height="20" width="20"></td>
<td>asd</td>
<td>asd</td>
</tr>
</table>
</body>
</html>