Fat one for rate :)

SELECT * FROM gallery2 WHERE topic_id="326290" UNION SELECT * FROM gallery2 WHERE topic_id="147411" UNION SELECT * FROM gallery2 WHERE topic_id="1616199" UNION SELECT * FROM gallery2 WHERE topic_id="1261559" UNION SELECT * FROM gallery2 WHERE topic_id="725011" UNION SELECT * FROM gallery2 WHERE topic_id="670845" UNION SELECT * FROM gallery2 WHERE topic_id="1156820" UNION SELECT * FROM gallery2 WHERE topic_id="1213096" UNION SELECT * FROM gallery2 WHERE topic_id="284130" UNION SELECT * FROM gallery2 WHERE topic_id="1689683" UNION SELECT * FROM gallery2 WHERE topic_id="1332929" UNION SELECT * FROM gallery2 WHERE topic_id="992144" UNION SELECT * FROM gallery2 WHERE topic_id="1555386" UNION SELECT * FROM gallery2 WHERE topic_id="819227" UNION SELECT * FROM gallery2 WHERE topic_id="1017866" UNION SELECT * FROM gallery2 WHERE topic_id="713073"