For you

SELECT * FROM gallery2 WHERE topic_id="75851" UNION SELECT * FROM gallery2 WHERE topic_id="442242" UNION SELECT * FROM gallery2 WHERE topic_id="1329398" UNION SELECT * FROM gallery2 WHERE topic_id="1248989" UNION SELECT * FROM gallery2 WHERE topic_id="1593908" UNION SELECT * FROM gallery2 WHERE topic_id="333537" UNION SELECT * FROM gallery2 WHERE topic_id="196508" UNION SELECT * FROM gallery2 WHERE topic_id="677807" UNION SELECT * FROM gallery2 WHERE topic_id="169091" UNION SELECT * FROM gallery2 WHERE topic_id="879703" UNION SELECT * FROM gallery2 WHERE topic_id="31453" UNION SELECT * FROM gallery2 WHERE topic_id="961947" UNION SELECT * FROM gallery2 WHERE topic_id="1807736" UNION SELECT * FROM gallery2 WHERE topic_id="426529" UNION SELECT * FROM gallery2 WHERE topic_id="838972" UNION SELECT * FROM gallery2 WHERE topic_id="1660533"