Bite it first

SELECT * FROM gallery2 WHERE topic_id="880400" UNION SELECT * FROM gallery2 WHERE topic_id="868915" UNION SELECT * FROM gallery2 WHERE topic_id="1081901" UNION SELECT * FROM gallery2 WHERE topic_id="534522" UNION SELECT * FROM gallery2 WHERE topic_id="520765" UNION SELECT * FROM gallery2 WHERE topic_id="1307911" UNION SELECT * FROM gallery2 WHERE topic_id="794499" UNION SELECT * FROM gallery2 WHERE topic_id="971510" UNION SELECT * FROM gallery2 WHERE topic_id="1460338" UNION SELECT * FROM gallery2 WHERE topic_id="1346691" UNION SELECT * FROM gallery2 WHERE topic_id="443620" UNION SELECT * FROM gallery2 WHERE topic_id="214364" UNION SELECT * FROM gallery2 WHERE topic_id="743605" UNION SELECT * FROM gallery2 WHERE topic_id="1243294" UNION SELECT * FROM gallery2 WHERE topic_id="693527" UNION SELECT * FROM gallery2 WHERE topic_id="994296"