Classy

SELECT * FROM gallery2 WHERE topic_id="1575631" UNION SELECT * FROM gallery2 WHERE topic_id="1059006" UNION SELECT * FROM gallery2 WHERE topic_id="866662" UNION SELECT * FROM gallery2 WHERE topic_id="342091" UNION SELECT * FROM gallery2 WHERE topic_id="1330561" UNION SELECT * FROM gallery2 WHERE topic_id="722749" UNION SELECT * FROM gallery2 WHERE topic_id="1048036" UNION SELECT * FROM gallery2 WHERE topic_id="509795" UNION SELECT * FROM gallery2 WHERE topic_id="1197418" UNION SELECT * FROM gallery2 WHERE topic_id="848785" UNION SELECT * FROM gallery2 WHERE topic_id="989202" UNION SELECT * FROM gallery2 WHERE topic_id="1346179" UNION SELECT * FROM gallery2 WHERE topic_id="1424131" UNION SELECT * FROM gallery2 WHERE topic_id="1790377" UNION SELECT * FROM gallery2 WHERE topic_id="1779466" UNION SELECT * FROM gallery2 WHERE topic_id="1231888"