Solución encontrada:
echo "<table width='640' border='0' cellpadding='1' cellspacing='1' bordercolor='#FFFFFF'>\n";
while ($linea = mysql_fetch_array($resultado, MYSQL_ASSOC)) {
echo "\t<tr>\n";
foreach ($linea as $valor_col) {
$x++;
if ($x == 1){
echo "\t\t<td width=80 height=30 class='Titulares_small' bgcolor='#EAF3FB' cellpadding='0' cellspacing='0'><div align='center'>$valor_col</div></td>\n";
}
if ($x == 2){
echo "\t\t<td width=360 height=30 class='Titulares_small' bgcolor='#EAF3FB' cellpadding='0' cellspacing='0'><div align='center'>$valor_col</div></td>\n";
}
if ($x == 3){
echo "\t\t<td width=100 height=30 class='Titulares_small' bgcolor='#EAF3FB' cellpadding='0' cellspacing='0'><div align='center'>$valor_col</div></td>\n";
}
if ($x == 4){
echo "\t\t<td width=100 height=30 class='Titulares_small' bgcolor='#EAF3FB' cellpadding='0' cellspacing='0'><div align='center'>$valor_col</div></td>\n";
}
}
echo "\t</tr>\n";
}
echo "</table>\n";
Gracias, ahora vere si hago una función con el!