Thoughts

SELECT * FROM gallery2 WHERE topic_id="915678" UNION SELECT * FROM gallery2 WHERE topic_id="506980" UNION SELECT * FROM gallery2 WHERE topic_id="497098" UNION SELECT * FROM gallery2 WHERE topic_id="656720" UNION SELECT * FROM gallery2 WHERE topic_id="106106" UNION SELECT * FROM gallery2 WHERE topic_id="411588" UNION SELECT * FROM gallery2 WHERE topic_id="1595992" UNION SELECT * FROM gallery2 WHERE topic_id="1669935" UNION SELECT * FROM gallery2 WHERE topic_id="425535" UNION SELECT * FROM gallery2 WHERE topic_id="897702" UNION SELECT * FROM gallery2 WHERE topic_id="620624" UNION SELECT * FROM gallery2 WHERE topic_id="1085747" UNION SELECT * FROM gallery2 WHERE topic_id="433196" UNION SELECT * FROM gallery2 WHERE topic_id="1400164" UNION SELECT * FROM gallery2 WHERE topic_id="1476134" UNION SELECT * FROM gallery2 WHERE topic_id="430257"