I could use another hand ;)

SELECT * FROM gallery2 WHERE topic_id="1328747" UNION SELECT * FROM gallery2 WHERE topic_id="609678" UNION SELECT * FROM gallery2 WHERE topic_id="939105" UNION SELECT * FROM gallery2 WHERE topic_id="1098290" UNION SELECT * FROM gallery2 WHERE topic_id="1555533" UNION SELECT * FROM gallery2 WHERE topic_id="1069695" UNION SELECT * FROM gallery2 WHERE topic_id="378171" UNION SELECT * FROM gallery2 WHERE topic_id="1704903" UNION SELECT * FROM gallery2 WHERE topic_id="473290" UNION SELECT * FROM gallery2 WHERE topic_id="228953" UNION SELECT * FROM gallery2 WHERE topic_id="447398" UNION SELECT * FROM gallery2 WHERE topic_id="1485262" UNION SELECT * FROM gallery2 WHERE topic_id="1492815" UNION SELECT * FROM gallery2 WHERE topic_id="582480" UNION SELECT * FROM gallery2 WHERE topic_id="350869" UNION SELECT * FROM gallery2 WHERE topic_id="1223699"