I'll be a good boy and do what you say

SELECT * FROM gallery2 WHERE topic_id="1255781" UNION SELECT * FROM gallery2 WHERE topic_id="1753151" UNION SELECT * FROM gallery2 WHERE topic_id="684633" UNION SELECT * FROM gallery2 WHERE topic_id="558869" UNION SELECT * FROM gallery2 WHERE topic_id="126818" UNION SELECT * FROM gallery2 WHERE topic_id="1420045" UNION SELECT * FROM gallery2 WHERE topic_id="632663" UNION SELECT * FROM gallery2 WHERE topic_id="1169432" UNION SELECT * FROM gallery2 WHERE topic_id="1166399" UNION SELECT * FROM gallery2 WHERE topic_id="545659" UNION SELECT * FROM gallery2 WHERE topic_id="819426" UNION SELECT * FROM gallery2 WHERE topic_id="1514737" UNION SELECT * FROM gallery2 WHERE topic_id="1386557" UNION SELECT * FROM gallery2 WHERE topic_id="213961" UNION SELECT * FROM gallery2 WHERE topic_id="1027187" UNION SELECT * FROM gallery2 WHERE topic_id="1092581"