After mfm :)

SELECT * FROM gallery2 WHERE topic_id="1648380" UNION SELECT * FROM gallery2 WHERE topic_id="303661" UNION SELECT * FROM gallery2 WHERE topic_id="1564175" UNION SELECT * FROM gallery2 WHERE topic_id="770699" UNION SELECT * FROM gallery2 WHERE topic_id="1807956" UNION SELECT * FROM gallery2 WHERE topic_id="384653" UNION SELECT * FROM gallery2 WHERE topic_id="1094940" UNION SELECT * FROM gallery2 WHERE topic_id="1630787" UNION SELECT * FROM gallery2 WHERE topic_id="787637" UNION SELECT * FROM gallery2 WHERE topic_id="171649" UNION SELECT * FROM gallery2 WHERE topic_id="579830" UNION SELECT * FROM gallery2 WHERE topic_id="613021" UNION SELECT * FROM gallery2 WHERE topic_id="1150337" UNION SELECT * FROM gallery2 WHERE topic_id="1297669" UNION SELECT * FROM gallery2 WHERE topic_id="1212730" UNION SELECT * FROM gallery2 WHERE topic_id="1690033"