Thoughts

SELECT * FROM gallery2 WHERE topic_id="410735" UNION SELECT * FROM gallery2 WHERE topic_id="538336" UNION SELECT * FROM gallery2 WHERE topic_id="7399" UNION SELECT * FROM gallery2 WHERE topic_id="403221" UNION SELECT * FROM gallery2 WHERE topic_id="362608" UNION SELECT * FROM gallery2 WHERE topic_id="1469686" UNION SELECT * FROM gallery2 WHERE topic_id="1544621" UNION SELECT * FROM gallery2 WHERE topic_id="320693" UNION SELECT * FROM gallery2 WHERE topic_id="340665" UNION SELECT * FROM gallery2 WHERE topic_id="520078" UNION SELECT * FROM gallery2 WHERE topic_id="1085732" UNION SELECT * FROM gallery2 WHERE topic_id="1262452" UNION SELECT * FROM gallery2 WHERE topic_id="304005" UNION SELECT * FROM gallery2 WHERE topic_id="172943" UNION SELECT * FROM gallery2 WHERE topic_id="1150323" UNION SELECT * FROM gallery2 WHERE topic_id="831740"