Thoughts ??

SELECT * FROM gallery2 WHERE topic_id="549369" UNION SELECT * FROM gallery2 WHERE topic_id="1118278" UNION SELECT * FROM gallery2 WHERE topic_id="536523" UNION SELECT * FROM gallery2 WHERE topic_id="1125232" UNION SELECT * FROM gallery2 WHERE topic_id="78015" UNION SELECT * FROM gallery2 WHERE topic_id="328023" UNION SELECT * FROM gallery2 WHERE topic_id="818057" UNION SELECT * FROM gallery2 WHERE topic_id="1266760" UNION SELECT * FROM gallery2 WHERE topic_id="525175" UNION SELECT * FROM gallery2 WHERE topic_id="684528" UNION SELECT * FROM gallery2 WHERE topic_id="1510721" UNION SELECT * FROM gallery2 WHERE topic_id="1144735" UNION SELECT * FROM gallery2 WHERE topic_id="83477" UNION SELECT * FROM gallery2 WHERE topic_id="1817042" UNION SELECT * FROM gallery2 WHERE topic_id="1340957" UNION SELECT * FROM gallery2 WHERE topic_id="1241224"