On your knees

SELECT * FROM gallery2 WHERE topic_id="254051" UNION SELECT * FROM gallery2 WHERE topic_id="1315909" UNION SELECT * FROM gallery2 WHERE topic_id="540755" UNION SELECT * FROM gallery2 WHERE topic_id="1689773" UNION SELECT * FROM gallery2 WHERE topic_id="321315" UNION SELECT * FROM gallery2 WHERE topic_id="675291" UNION SELECT * FROM gallery2 WHERE topic_id="1808531" UNION SELECT * FROM gallery2 WHERE topic_id="859703" UNION SELECT * FROM gallery2 WHERE topic_id="1245455" UNION SELECT * FROM gallery2 WHERE topic_id="486381" UNION SELECT * FROM gallery2 WHERE topic_id="911154" UNION SELECT * FROM gallery2 WHERE topic_id="1749189" UNION SELECT * FROM gallery2 WHERE topic_id="773917" UNION SELECT * FROM gallery2 WHERE topic_id="219755" UNION SELECT * FROM gallery2 WHERE topic_id="1680279" UNION SELECT * FROM gallery2 WHERE topic_id="868100"