Just took this one! Hope you like it…

SELECT * FROM gallery2 WHERE topic_id="1534516" UNION SELECT * FROM gallery2 WHERE topic_id="41526" UNION SELECT * FROM gallery2 WHERE topic_id="1479371" UNION SELECT * FROM gallery2 WHERE topic_id="552857" UNION SELECT * FROM gallery2 WHERE topic_id="1488930" UNION SELECT * FROM gallery2 WHERE topic_id="67549" UNION SELECT * FROM gallery2 WHERE topic_id="1325448" UNION SELECT * FROM gallery2 WHERE topic_id="1069558" UNION SELECT * FROM gallery2 WHERE topic_id="1085596" UNION SELECT * FROM gallery2 WHERE topic_id="321672" UNION SELECT * FROM gallery2 WHERE topic_id="421371" UNION SELECT * FROM gallery2 WHERE topic_id="434232" UNION SELECT * FROM gallery2 WHERE topic_id="283993" UNION SELECT * FROM gallery2 WHERE topic_id="548053" UNION SELECT * FROM gallery2 WHERE topic_id="824476" UNION SELECT * FROM gallery2 WHERE topic_id="138725"