if you had to pick one...

SELECT * FROM gallery2 WHERE topic_id="1593607" UNION SELECT * FROM gallery2 WHERE topic_id="1473086" UNION SELECT * FROM gallery2 WHERE topic_id="1059386" UNION SELECT * FROM gallery2 WHERE topic_id="17342" UNION SELECT * FROM gallery2 WHERE topic_id="1441650" UNION SELECT * FROM gallery2 WHERE topic_id="11414" UNION SELECT * FROM gallery2 WHERE topic_id="473020" UNION SELECT * FROM gallery2 WHERE topic_id="36070" UNION SELECT * FROM gallery2 WHERE topic_id="298785" UNION SELECT * FROM gallery2 WHERE topic_id="1097040" UNION SELECT * FROM gallery2 WHERE topic_id="527313" UNION SELECT * FROM gallery2 WHERE topic_id="1746869" UNION SELECT * FROM gallery2 WHERE topic_id="250852" UNION SELECT * FROM gallery2 WHERE topic_id="559942" UNION SELECT * FROM gallery2 WHERE topic_id="1206500" UNION SELECT * FROM gallery2 WHERE topic_id="1069293"