I mean, come on.

SELECT * FROM gallery2 WHERE topic_id="1108137" UNION SELECT * FROM gallery2 WHERE topic_id="1728004" UNION SELECT * FROM gallery2 WHERE topic_id="1233570" UNION SELECT * FROM gallery2 WHERE topic_id="807904" UNION SELECT * FROM gallery2 WHERE topic_id="347951" UNION SELECT * FROM gallery2 WHERE topic_id="348946" UNION SELECT * FROM gallery2 WHERE topic_id="1594173" UNION SELECT * FROM gallery2 WHERE topic_id="1729945" UNION SELECT * FROM gallery2 WHERE topic_id="645920" UNION SELECT * FROM gallery2 WHERE topic_id="665982" UNION SELECT * FROM gallery2 WHERE topic_id="52309" UNION SELECT * FROM gallery2 WHERE topic_id="1483529" UNION SELECT * FROM gallery2 WHERE topic_id="1573622" UNION SELECT * FROM gallery2 WHERE topic_id="1531396" UNION SELECT * FROM gallery2 WHERE topic_id="563355" UNION SELECT * FROM gallery2 WHERE topic_id="578122"