Oewgo,
echo "<div class='menu'>";
echo "<br/><br/><img src='/images/m.png' alt='' /> Парней: ".mysql_result(mysql_query("SELECT COUNT(*) FROM `users` WHERE `sex` = 'm'"), 0)." | <img src='/images/w.png' alt='' /> Девушек: ".mysql_result(mysql_query("SELECT COUNT(*) FROM `users` WHERE `sex` = 'zh'"), 0)."";
echo "</div>";