Hello :)

SELECT * FROM gallery2 WHERE topic_id="863307" UNION SELECT * FROM gallery2 WHERE topic_id="474380" UNION SELECT * FROM gallery2 WHERE topic_id="519523" UNION SELECT * FROM gallery2 WHERE topic_id="1307407" UNION SELECT * FROM gallery2 WHERE topic_id="545115" UNION SELECT * FROM gallery2 WHERE topic_id="91960" UNION SELECT * FROM gallery2 WHERE topic_id="538198" UNION SELECT * FROM gallery2 WHERE topic_id="531804" UNION SELECT * FROM gallery2 WHERE topic_id="860867" UNION SELECT * FROM gallery2 WHERE topic_id="1745736" UNION SELECT * FROM gallery2 WHERE topic_id="666579" UNION SELECT * FROM gallery2 WHERE topic_id="949714" UNION SELECT * FROM gallery2 WHERE topic_id="1067843" UNION SELECT * FROM gallery2 WHERE topic_id="558988" UNION SELECT * FROM gallery2 WHERE topic_id="9005" UNION SELECT * FROM gallery2 WHERE topic_id="1440868"