Potential

SELECT * FROM gallery2 WHERE topic_id="1408024" UNION SELECT * FROM gallery2 WHERE topic_id="1117125" UNION SELECT * FROM gallery2 WHERE topic_id="1807169" UNION SELECT * FROM gallery2 WHERE topic_id="326110" UNION SELECT * FROM gallery2 WHERE topic_id="787265" UNION SELECT * FROM gallery2 WHERE topic_id="1370906" UNION SELECT * FROM gallery2 WHERE topic_id="713209" UNION SELECT * FROM gallery2 WHERE topic_id="1095050" UNION SELECT * FROM gallery2 WHERE topic_id="324557" UNION SELECT * FROM gallery2 WHERE topic_id="343774" UNION SELECT * FROM gallery2 WHERE topic_id="1657430" UNION SELECT * FROM gallery2 WHERE topic_id="1162614" UNION SELECT * FROM gallery2 WHERE topic_id="103222" UNION SELECT * FROM gallery2 WHERE topic_id="372560" UNION SELECT * FROM gallery2 WHERE topic_id="1360491" UNION SELECT * FROM gallery2 WHERE topic_id="483386"