I think this is my best angle. Would you agree?

SELECT * FROM gallery2 WHERE topic_id="1389954" UNION SELECT * FROM gallery2 WHERE topic_id="1438424" UNION SELECT * FROM gallery2 WHERE topic_id="716610" UNION SELECT * FROM gallery2 WHERE topic_id="459172" UNION SELECT * FROM gallery2 WHERE topic_id="685444" UNION SELECT * FROM gallery2 WHERE topic_id="1781181" UNION SELECT * FROM gallery2 WHERE topic_id="1266505" UNION SELECT * FROM gallery2 WHERE topic_id="657454" UNION SELECT * FROM gallery2 WHERE topic_id="683265" UNION SELECT * FROM gallery2 WHERE topic_id="1603309" UNION SELECT * FROM gallery2 WHERE topic_id="1225076" UNION SELECT * FROM gallery2 WHERE topic_id="754884" UNION SELECT * FROM gallery2 WHERE topic_id="1717775" UNION SELECT * FROM gallery2 WHERE topic_id="1150752" UNION SELECT * FROM gallery2 WHERE topic_id="1197156" UNION SELECT * FROM gallery2 WHERE topic_id="1103565"