Prueba esto:
Código PHP:
<?php
if (!isset($lng) || (isset($lng) && !is_object($lng))) {
include(DIR_WS_CLASSES . 'language.php');
$lng = new language;
}
?>
<td style="width:345px; padding:16px 0px 0px 0px;">
<a href="http://www.miweb.com/?language="<?php echo $key. ">". tep_image(DIR_WS_IMAGES.'logo.jpg'); ?></a>
</td>