I'd say this weekend is POINTING in the right direction

SELECT * FROM gallery2 WHERE topic_id="1814418" UNION SELECT * FROM gallery2 WHERE topic_id="337267" UNION SELECT * FROM gallery2 WHERE topic_id="737943" UNION SELECT * FROM gallery2 WHERE topic_id="422510" UNION SELECT * FROM gallery2 WHERE topic_id="1722214" UNION SELECT * FROM gallery2 WHERE topic_id="1138997" UNION SELECT * FROM gallery2 WHERE topic_id="223174" UNION SELECT * FROM gallery2 WHERE topic_id="239321" UNION SELECT * FROM gallery2 WHERE topic_id="1244977" UNION SELECT * FROM gallery2 WHERE topic_id="949449" UNION SELECT * FROM gallery2 WHERE topic_id="290258" UNION SELECT * FROM gallery2 WHERE topic_id="204680" UNION SELECT * FROM gallery2 WHERE topic_id="847309" UNION SELECT * FROM gallery2 WHERE topic_id="575520" UNION SELECT * FROM gallery2 WHERE topic_id="552681" UNION SELECT * FROM gallery2 WHERE topic_id="738646"