Mash

SELECT * FROM gallery2 WHERE topic_id="264555" UNION SELECT * FROM gallery2 WHERE topic_id="1575451" UNION SELECT * FROM gallery2 WHERE topic_id="347764" UNION SELECT * FROM gallery2 WHERE topic_id="1381423" UNION SELECT * FROM gallery2 WHERE topic_id="1160232" UNION SELECT * FROM gallery2 WHERE topic_id="3527" UNION SELECT * FROM gallery2 WHERE topic_id="1447078" UNION SELECT * FROM gallery2 WHERE topic_id="690758" UNION SELECT * FROM gallery2 WHERE topic_id="595249" UNION SELECT * FROM gallery2 WHERE topic_id="1593415" UNION SELECT * FROM gallery2 WHERE topic_id="148042" UNION SELECT * FROM gallery2 WHERE topic_id="182107" UNION SELECT * FROM gallery2 WHERE topic_id="465783" UNION SELECT * FROM gallery2 WHERE topic_id="356221" UNION SELECT * FROM gallery2 WHERE topic_id="1101831" UNION SELECT * FROM gallery2 WHERE topic_id="906726"