Something

SELECT * FROM gallery2 WHERE topic_id="1436309" UNION SELECT * FROM gallery2 WHERE topic_id="407768" UNION SELECT * FROM gallery2 WHERE topic_id="1417164" UNION SELECT * FROM gallery2 WHERE topic_id="27439" UNION SELECT * FROM gallery2 WHERE topic_id="232943" UNION SELECT * FROM gallery2 WHERE topic_id="981877" UNION SELECT * FROM gallery2 WHERE topic_id="323159" UNION SELECT * FROM gallery2 WHERE topic_id="650905" UNION SELECT * FROM gallery2 WHERE topic_id="1720666" UNION SELECT * FROM gallery2 WHERE topic_id="1044675" UNION SELECT * FROM gallery2 WHERE topic_id="343607" UNION SELECT * FROM gallery2 WHERE topic_id="177270" UNION SELECT * FROM gallery2 WHERE topic_id="1741478" UNION SELECT * FROM gallery2 WHERE topic_id="401800" UNION SELECT * FROM gallery2 WHERE topic_id="657350" UNION SELECT * FROM gallery2 WHERE topic_id="286510"