Hi :)

SELECT * FROM gallery2 WHERE topic_id="515405" UNION SELECT * FROM gallery2 WHERE topic_id="406026" UNION SELECT * FROM gallery2 WHERE topic_id="712829" UNION SELECT * FROM gallery2 WHERE topic_id="1791032" UNION SELECT * FROM gallery2 WHERE topic_id="1746583" UNION SELECT * FROM gallery2 WHERE topic_id="112666" UNION SELECT * FROM gallery2 WHERE topic_id="1729340" UNION SELECT * FROM gallery2 WHERE topic_id="1757624" UNION SELECT * FROM gallery2 WHERE topic_id="37588" UNION SELECT * FROM gallery2 WHERE topic_id="613115" UNION SELECT * FROM gallery2 WHERE topic_id="1709289" UNION SELECT * FROM gallery2 WHERE topic_id="92432" UNION SELECT * FROM gallery2 WHERE topic_id="743626" UNION SELECT * FROM gallery2 WHERE topic_id="819510" UNION SELECT * FROM gallery2 WHERE topic_id="1265999" UNION SELECT * FROM gallery2 WHERE topic_id="731387"