Tight

SELECT * FROM gallery2 WHERE topic_id="23144" UNION SELECT * FROM gallery2 WHERE topic_id="918356" UNION SELECT * FROM gallery2 WHERE topic_id="1307136" UNION SELECT * FROM gallery2 WHERE topic_id="431836" UNION SELECT * FROM gallery2 WHERE topic_id="1061566" UNION SELECT * FROM gallery2 WHERE topic_id="251350" UNION SELECT * FROM gallery2 WHERE topic_id="1619215" UNION SELECT * FROM gallery2 WHERE topic_id="5983" UNION SELECT * FROM gallery2 WHERE topic_id="1738406" UNION SELECT * FROM gallery2 WHERE topic_id="66689" UNION SELECT * FROM gallery2 WHERE topic_id="1508193" UNION SELECT * FROM gallery2 WHERE topic_id="278877" UNION SELECT * FROM gallery2 WHERE topic_id="1007001" UNION SELECT * FROM gallery2 WHERE topic_id="53439" UNION SELECT * FROM gallery2 WHERE topic_id="1229168" UNION SELECT * FROM gallery2 WHERE topic_id="30985"