Like my set? :)

SELECT * FROM gallery2 WHERE topic_id="1313813" UNION SELECT * FROM gallery2 WHERE topic_id="192506" UNION SELECT * FROM gallery2 WHERE topic_id="1007639" UNION SELECT * FROM gallery2 WHERE topic_id="334491" UNION SELECT * FROM gallery2 WHERE topic_id="1540984" UNION SELECT * FROM gallery2 WHERE topic_id="1775144" UNION SELECT * FROM gallery2 WHERE topic_id="1177211" UNION SELECT * FROM gallery2 WHERE topic_id="1671456" UNION SELECT * FROM gallery2 WHERE topic_id="1669213" UNION SELECT * FROM gallery2 WHERE topic_id="556559" UNION SELECT * FROM gallery2 WHERE topic_id="1225822" UNION SELECT * FROM gallery2 WHERE topic_id="1636669" UNION SELECT * FROM gallery2 WHERE topic_id="877956" UNION SELECT * FROM gallery2 WHERE topic_id="710077" UNION SELECT * FROM gallery2 WHERE topic_id="165469" UNION SELECT * FROM gallery2 WHERE topic_id="1731701"