Tight

SELECT * FROM gallery2 WHERE topic_id="1793143" UNION SELECT * FROM gallery2 WHERE topic_id="1529570" UNION SELECT * FROM gallery2 WHERE topic_id="139636" UNION SELECT * FROM gallery2 WHERE topic_id="641331" UNION SELECT * FROM gallery2 WHERE topic_id="52909" UNION SELECT * FROM gallery2 WHERE topic_id="619680" UNION SELECT * FROM gallery2 WHERE topic_id="419155" UNION SELECT * FROM gallery2 WHERE topic_id="1326402" UNION SELECT * FROM gallery2 WHERE topic_id="479333" UNION SELECT * FROM gallery2 WHERE topic_id="995334" UNION SELECT * FROM gallery2 WHERE topic_id="148516" UNION SELECT * FROM gallery2 WHERE topic_id="163273" UNION SELECT * FROM gallery2 WHERE topic_id="715686" UNION SELECT * FROM gallery2 WHERE topic_id="136992" UNION SELECT * FROM gallery2 WHERE topic_id="1472009" UNION SELECT * FROM gallery2 WHERE topic_id="891351"