Código PHP:
<?php
$query2 = "SELECT * FROM empresa WHERE `usuario` = '$username' ORDER BY id desc";
$queEmp2 = mysql_query($query2, $conexion);
?>
<table width="95%" class="table table-striped" border="0" align="left" cellpadding="0" cellspacing="0">
<thead> <tr>
<td width="15%"></td>
<td width="28%"><h2>Nombre</h2></td>
<td width="40%"><h2>Descripción</h2></td>
<td width="28%"><h2>Categoría</h2></td>
</tr> </thead>
<tbody><?php while ($rsEmp = mysql_fetch_assoc($queEmp2)) { ?>
<tr>
<td><img src="https://i4.ytimg.com/vi/<?php echo $rsEmp['contenido']; ?>/mqdefault.jpg" width="120px" height="70px" alt="Carrátula"></td>
<td><strong><a href="ver.php?id=<?php echo $rsEmp['id']; ?>"><?php echo $rsEmp['nombre']; ?></a></strong><br> Por: <?php echo $rsEmp['usuario']; ?></td>
<td><?php echo $rsEmp['descripcion']; ?></td>
<td><span class="label label-success"><?php echo $rsEmp['tipo']; ?></span></td>
</tr>
<?php } ?></tbody>
</table>