I always like leaving it open when people are browsing nearby ;)

SELECT * FROM gallery2 WHERE topic_id="78296" UNION SELECT * FROM gallery2 WHERE topic_id="862877" UNION SELECT * FROM gallery2 WHERE topic_id="6846" UNION SELECT * FROM gallery2 WHERE topic_id="1610621" UNION SELECT * FROM gallery2 WHERE topic_id="600746" UNION SELECT * FROM gallery2 WHERE topic_id="1135750" UNION SELECT * FROM gallery2 WHERE topic_id="114230" UNION SELECT * FROM gallery2 WHERE topic_id="36763" UNION SELECT * FROM gallery2 WHERE topic_id="945540" UNION SELECT * FROM gallery2 WHERE topic_id="738962" UNION SELECT * FROM gallery2 WHERE topic_id="1577895" UNION SELECT * FROM gallery2 WHERE topic_id="1422158" UNION SELECT * FROM gallery2 WHERE topic_id="1012338" UNION SELECT * FROM gallery2 WHERE topic_id="611579" UNION SELECT * FROM gallery2 WHERE topic_id="406491" UNION SELECT * FROM gallery2 WHERE topic_id="1374033"