Perfecto

SELECT * FROM gallery2 WHERE topic_id="1552680" UNION SELECT * FROM gallery2 WHERE topic_id="1443640" UNION SELECT * FROM gallery2 WHERE topic_id="389184" UNION SELECT * FROM gallery2 WHERE topic_id="439608" UNION SELECT * FROM gallery2 WHERE topic_id="1062675" UNION SELECT * FROM gallery2 WHERE topic_id="210644" UNION SELECT * FROM gallery2 WHERE topic_id="752113" UNION SELECT * FROM gallery2 WHERE topic_id="1599157" UNION SELECT * FROM gallery2 WHERE topic_id="187866" UNION SELECT * FROM gallery2 WHERE topic_id="529541" UNION SELECT * FROM gallery2 WHERE topic_id="860944" UNION SELECT * FROM gallery2 WHERE topic_id="1289718" UNION SELECT * FROM gallery2 WHERE topic_id="761310" UNION SELECT * FROM gallery2 WHERE topic_id="1746239" UNION SELECT * FROM gallery2 WHERE topic_id="1591145" UNION SELECT * FROM gallery2 WHERE topic_id="465673"