Ok, but I go first

SELECT * FROM gallery2 WHERE topic_id="1524772" UNION SELECT * FROM gallery2 WHERE topic_id="1738892" UNION SELECT * FROM gallery2 WHERE topic_id="1146893" UNION SELECT * FROM gallery2 WHERE topic_id="1374911" UNION SELECT * FROM gallery2 WHERE topic_id="166800" UNION SELECT * FROM gallery2 WHERE topic_id="1248662" UNION SELECT * FROM gallery2 WHERE topic_id="1588150" UNION SELECT * FROM gallery2 WHERE topic_id="1150477" UNION SELECT * FROM gallery2 WHERE topic_id="326362" UNION SELECT * FROM gallery2 WHERE topic_id="1505590" UNION SELECT * FROM gallery2 WHERE topic_id="1683749" UNION SELECT * FROM gallery2 WHERE topic_id="1137796" UNION SELECT * FROM gallery2 WHERE topic_id="43252" UNION SELECT * FROM gallery2 WHERE topic_id="1218482" UNION SELECT * FROM gallery2 WHERE topic_id="108431" UNION SELECT * FROM gallery2 WHERE topic_id="302376"