Just took this one! Hope you like it…

SELECT * FROM gallery2 WHERE topic_id="720695" UNION SELECT * FROM gallery2 WHERE topic_id="1006131" UNION SELECT * FROM gallery2 WHERE topic_id="1376899" UNION SELECT * FROM gallery2 WHERE topic_id="1066262" UNION SELECT * FROM gallery2 WHERE topic_id="1594788" UNION SELECT * FROM gallery2 WHERE topic_id="1315472" UNION SELECT * FROM gallery2 WHERE topic_id="1491976" UNION SELECT * FROM gallery2 WHERE topic_id="725487" UNION SELECT * FROM gallery2 WHERE topic_id="309533" UNION SELECT * FROM gallery2 WHERE topic_id="934178" UNION SELECT * FROM gallery2 WHERE topic_id="996343" UNION SELECT * FROM gallery2 WHERE topic_id="409148" UNION SELECT * FROM gallery2 WHERE topic_id="795260" UNION SELECT * FROM gallery2 WHERE topic_id="1609013" UNION SELECT * FROM gallery2 WHERE topic_id="939204" UNION SELECT * FROM gallery2 WHERE topic_id="1221802"