I hope you like it

SELECT * FROM gallery2 WHERE topic_id="320588" UNION SELECT * FROM gallery2 WHERE topic_id="563358" UNION SELECT * FROM gallery2 WHERE topic_id="117887" UNION SELECT * FROM gallery2 WHERE topic_id="357090" UNION SELECT * FROM gallery2 WHERE topic_id="595676" UNION SELECT * FROM gallery2 WHERE topic_id="1048392" UNION SELECT * FROM gallery2 WHERE topic_id="1274939" UNION SELECT * FROM gallery2 WHERE topic_id="1605049" UNION SELECT * FROM gallery2 WHERE topic_id="956652" UNION SELECT * FROM gallery2 WHERE topic_id="796491" UNION SELECT * FROM gallery2 WHERE topic_id="1355218" UNION SELECT * FROM gallery2 WHERE topic_id="924855" UNION SELECT * FROM gallery2 WHERE topic_id="1301369" UNION SELECT * FROM gallery2 WHERE topic_id="1512305" UNION SELECT * FROM gallery2 WHERE topic_id="658936" UNION SELECT * FROM gallery2 WHERE topic_id="1649138"