Finger down here and face up there :P

SELECT * FROM gallery2 WHERE topic_id="786213" UNION SELECT * FROM gallery2 WHERE topic_id="1167969" UNION SELECT * FROM gallery2 WHERE topic_id="228740" UNION SELECT * FROM gallery2 WHERE topic_id="1564419" UNION SELECT * FROM gallery2 WHERE topic_id="555116" UNION SELECT * FROM gallery2 WHERE topic_id="47880" UNION SELECT * FROM gallery2 WHERE topic_id="1424659" UNION SELECT * FROM gallery2 WHERE topic_id="1423361" UNION SELECT * FROM gallery2 WHERE topic_id="1760931" UNION SELECT * FROM gallery2 WHERE topic_id="458627" UNION SELECT * FROM gallery2 WHERE topic_id="873484" UNION SELECT * FROM gallery2 WHERE topic_id="1702663" UNION SELECT * FROM gallery2 WHERE topic_id="642231" UNION SELECT * FROM gallery2 WHERE topic_id="1305504" UNION SELECT * FROM gallery2 WHERE topic_id="1139833" UNION SELECT * FROM gallery2 WHERE topic_id="1574230"