Enjoy

SELECT * FROM gallery2 WHERE topic_id="718053" UNION SELECT * FROM gallery2 WHERE topic_id="386483" UNION SELECT * FROM gallery2 WHERE topic_id="1044512" UNION SELECT * FROM gallery2 WHERE topic_id="927399" UNION SELECT * FROM gallery2 WHERE topic_id="1406857" UNION SELECT * FROM gallery2 WHERE topic_id="48370" UNION SELECT * FROM gallery2 WHERE topic_id="897531" UNION SELECT * FROM gallery2 WHERE topic_id="163681" UNION SELECT * FROM gallery2 WHERE topic_id="1601500" UNION SELECT * FROM gallery2 WHERE topic_id="1093169" UNION SELECT * FROM gallery2 WHERE topic_id="412423" UNION SELECT * FROM gallery2 WHERE topic_id="1632902" UNION SELECT * FROM gallery2 WHERE topic_id="1247649" UNION SELECT * FROM gallery2 WHERE topic_id="645843" UNION SELECT * FROM gallery2 WHERE topic_id="940970" UNION SELECT * FROM gallery2 WHERE topic_id="200598"