Perfect

SELECT * FROM gallery2 WHERE topic_id="481192" UNION SELECT * FROM gallery2 WHERE topic_id="1320923" UNION SELECT * FROM gallery2 WHERE topic_id="968809" UNION SELECT * FROM gallery2 WHERE topic_id="1686518" UNION SELECT * FROM gallery2 WHERE topic_id="833681" UNION SELECT * FROM gallery2 WHERE topic_id="1799147" UNION SELECT * FROM gallery2 WHERE topic_id="1702345" UNION SELECT * FROM gallery2 WHERE topic_id="870094" UNION SELECT * FROM gallery2 WHERE topic_id="38999" UNION SELECT * FROM gallery2 WHERE topic_id="1555179" UNION SELECT * FROM gallery2 WHERE topic_id="1752944" UNION SELECT * FROM gallery2 WHERE topic_id="1603803" UNION SELECT * FROM gallery2 WHERE topic_id="917984" UNION SELECT * FROM gallery2 WHERE topic_id="208799" UNION SELECT * FROM gallery2 WHERE topic_id="1388142" UNION SELECT * FROM gallery2 WHERE topic_id="209680"