Jett here

SELECT * FROM gallery2 WHERE topic_id="1608971" UNION SELECT * FROM gallery2 WHERE topic_id="689398" UNION SELECT * FROM gallery2 WHERE topic_id="1277179" UNION SELECT * FROM gallery2 WHERE topic_id="81549" UNION SELECT * FROM gallery2 WHERE topic_id="1415799" UNION SELECT * FROM gallery2 WHERE topic_id="1575309" UNION SELECT * FROM gallery2 WHERE topic_id="1223108" UNION SELECT * FROM gallery2 WHERE topic_id="336019" UNION SELECT * FROM gallery2 WHERE topic_id="1414198" UNION SELECT * FROM gallery2 WHERE topic_id="90453" UNION SELECT * FROM gallery2 WHERE topic_id="6346" UNION SELECT * FROM gallery2 WHERE topic_id="1109860" UNION SELECT * FROM gallery2 WHERE topic_id="1216388" UNION SELECT * FROM gallery2 WHERE topic_id="806640" UNION SELECT * FROM gallery2 WHERE topic_id="313406" UNION SELECT * FROM gallery2 WHERE topic_id="159006"