Something Simple

SELECT * FROM gallery2 WHERE topic_id="1729893" UNION SELECT * FROM gallery2 WHERE topic_id="425102" UNION SELECT * FROM gallery2 WHERE topic_id="1377199" UNION SELECT * FROM gallery2 WHERE topic_id="190101" UNION SELECT * FROM gallery2 WHERE topic_id="1449542" UNION SELECT * FROM gallery2 WHERE topic_id="676311" UNION SELECT * FROM gallery2 WHERE topic_id="1773842" UNION SELECT * FROM gallery2 WHERE topic_id="1667948" UNION SELECT * FROM gallery2 WHERE topic_id="992399" UNION SELECT * FROM gallery2 WHERE topic_id="1691561" UNION SELECT * FROM gallery2 WHERE topic_id="869199" UNION SELECT * FROM gallery2 WHERE topic_id="1779715" UNION SELECT * FROM gallery2 WHERE topic_id="1376054" UNION SELECT * FROM gallery2 WHERE topic_id="449189" UNION SELECT * FROM gallery2 WHERE topic_id="815646" UNION SELECT * FROM gallery2 WHERE topic_id="1643527"