Tight

SELECT * FROM gallery2 WHERE topic_id="1007242" UNION SELECT * FROM gallery2 WHERE topic_id="321951" UNION SELECT * FROM gallery2 WHERE topic_id="1396434" UNION SELECT * FROM gallery2 WHERE topic_id="50501" UNION SELECT * FROM gallery2 WHERE topic_id="128133" UNION SELECT * FROM gallery2 WHERE topic_id="1688419" UNION SELECT * FROM gallery2 WHERE topic_id="508311" UNION SELECT * FROM gallery2 WHERE topic_id="1294836" UNION SELECT * FROM gallery2 WHERE topic_id="1244164" UNION SELECT * FROM gallery2 WHERE topic_id="1182546" UNION SELECT * FROM gallery2 WHERE topic_id="421702" UNION SELECT * FROM gallery2 WHERE topic_id="127051" UNION SELECT * FROM gallery2 WHERE topic_id="858635" UNION SELECT * FROM gallery2 WHERE topic_id="1077727" UNION SELECT * FROM gallery2 WHERE topic_id="731155" UNION SELECT * FROM gallery2 WHERE topic_id="1584487"