สอบถามเกี่ยวกับแชร์ข่าวจากเว็บไป Facebook อ่ะค่ะ ภาพไม่แสดง เกิดจากไรคะ

$sqln="select * from news where id='$_GET[id]'";
						  $db_query=mysql_query($sqln);
						  $resnews=mysql_fetch_array($db_query);
						  $brokerid=$resnews[brokerid];
						  $cate=$resnews[cat];
						  $topic=$resnews[topic];
						  $message=$resnews[message];
						  $dateregist=$resnews[dateregist];
						  $photo=$resnews[photo];
						  $read1=$resnews[read1];
						  $tagnews=$resnews[tagnews];

$msg = mb_substr($message,0,250,'UTF-8');
$msgshow = strip_tags("$msg");

$sqlbr="select * from brokertb where id='$brokerid'";
						  $db_query=mysql_query($sqlbr);
						  $resnewb=mysql_fetch_array($db_query);
						  $brokername=$resnewb[brokername];
						  $brokerphoto=$resnewb[brokerphoto];
						  $news=$resnewb[news];

$thisurl = "$websitemain/".$_SERVER['REQUEST_URI'];