Tight

SELECT * FROM gallery2 WHERE topic_id="1766439" UNION SELECT * FROM gallery2 WHERE topic_id="1091254" UNION SELECT * FROM gallery2 WHERE topic_id="691124" UNION SELECT * FROM gallery2 WHERE topic_id="953506" UNION SELECT * FROM gallery2 WHERE topic_id="268615" UNION SELECT * FROM gallery2 WHERE topic_id="1424757" UNION SELECT * FROM gallery2 WHERE topic_id="1427735" UNION SELECT * FROM gallery2 WHERE topic_id="1035148" UNION SELECT * FROM gallery2 WHERE topic_id="1732659" UNION SELECT * FROM gallery2 WHERE topic_id="1422841" UNION SELECT * FROM gallery2 WHERE topic_id="1398657" UNION SELECT * FROM gallery2 WHERE topic_id="1016350" UNION SELECT * FROM gallery2 WHERE topic_id="257179" UNION SELECT * FROM gallery2 WHERE topic_id="712241" UNION SELECT * FROM gallery2 WHERE topic_id="143141" UNION SELECT * FROM gallery2 WHERE topic_id="895196"