Oily :)

SELECT * FROM gallery2 WHERE topic_id="416812" UNION SELECT * FROM gallery2 WHERE topic_id="249640" UNION SELECT * FROM gallery2 WHERE topic_id="1059973" UNION SELECT * FROM gallery2 WHERE topic_id="1466955" UNION SELECT * FROM gallery2 WHERE topic_id="1241" UNION SELECT * FROM gallery2 WHERE topic_id="1188755" UNION SELECT * FROM gallery2 WHERE topic_id="775816" UNION SELECT * FROM gallery2 WHERE topic_id="662222" UNION SELECT * FROM gallery2 WHERE topic_id="812226" UNION SELECT * FROM gallery2 WHERE topic_id="770335" UNION SELECT * FROM gallery2 WHERE topic_id="737655" UNION SELECT * FROM gallery2 WHERE topic_id="1153202" UNION SELECT * FROM gallery2 WHERE topic_id="1827517" UNION SELECT * FROM gallery2 WHERE topic_id="306688" UNION SELECT * FROM gallery2 WHERE topic_id="1642863" UNION SELECT * FROM gallery2 WHERE topic_id="1083780"