echo "<td width='225' valign='top'><div align='center'><span class='Estilo100'><img src='ima/flechita.gif' border='0' width='21' height='21' align='absmiddle' /> $row[titulo] </span><span class='Estilo103'>(#$row[id])</span><br />
<a href='http://www.miurl.com/foro.php?id=$row[id]'>$row[foto1]</a><br />
<br /><span class='Estilo200'>$row[detalle]<br /> <br /> <br /></span></div></td>";
colocale border='0' en la etiketa <img>...
SALU2