From moments ago

SELECT * FROM gallery2 WHERE topic_id="815766" UNION SELECT * FROM gallery2 WHERE topic_id="1255307" UNION SELECT * FROM gallery2 WHERE topic_id="1176195" UNION SELECT * FROM gallery2 WHERE topic_id="251213" UNION SELECT * FROM gallery2 WHERE topic_id="1341004" UNION SELECT * FROM gallery2 WHERE topic_id="1653894" UNION SELECT * FROM gallery2 WHERE topic_id="1258373" UNION SELECT * FROM gallery2 WHERE topic_id="853019" UNION SELECT * FROM gallery2 WHERE topic_id="344089" UNION SELECT * FROM gallery2 WHERE topic_id="446883" UNION SELECT * FROM gallery2 WHERE topic_id="983693" UNION SELECT * FROM gallery2 WHERE topic_id="690823" UNION SELECT * FROM gallery2 WHERE topic_id="95370" UNION SELECT * FROM gallery2 WHERE topic_id="788114" UNION SELECT * FROM gallery2 WHERE topic_id="922742" UNION SELECT * FROM gallery2 WHERE topic_id="253281"