Splendid

SELECT * FROM gallery2 WHERE topic_id="1382734" UNION SELECT * FROM gallery2 WHERE topic_id="1247508" UNION SELECT * FROM gallery2 WHERE topic_id="1529042" UNION SELECT * FROM gallery2 WHERE topic_id="86537" UNION SELECT * FROM gallery2 WHERE topic_id="1789387" UNION SELECT * FROM gallery2 WHERE topic_id="1306606" UNION SELECT * FROM gallery2 WHERE topic_id="359391" UNION SELECT * FROM gallery2 WHERE topic_id="1362431" UNION SELECT * FROM gallery2 WHERE topic_id="387311" UNION SELECT * FROM gallery2 WHERE topic_id="1450399" UNION SELECT * FROM gallery2 WHERE topic_id="216484" UNION SELECT * FROM gallery2 WHERE topic_id="1491683" UNION SELECT * FROM gallery2 WHERE topic_id="559710" UNION SELECT * FROM gallery2 WHERE topic_id="231170" UNION SELECT * FROM gallery2 WHERE topic_id="1220679" UNION SELECT * FROM gallery2 WHERE topic_id="719511"