I hope you like doggy style

SELECT * FROM gallery2 WHERE topic_id="78094" UNION SELECT * FROM gallery2 WHERE topic_id="1205888" UNION SELECT * FROM gallery2 WHERE topic_id="718847" UNION SELECT * FROM gallery2 WHERE topic_id="770789" UNION SELECT * FROM gallery2 WHERE topic_id="732346" UNION SELECT * FROM gallery2 WHERE topic_id="1032603" UNION SELECT * FROM gallery2 WHERE topic_id="1686979" UNION SELECT * FROM gallery2 WHERE topic_id="1669340" UNION SELECT * FROM gallery2 WHERE topic_id="1266435" UNION SELECT * FROM gallery2 WHERE topic_id="958816" UNION SELECT * FROM gallery2 WHERE topic_id="1382165" UNION SELECT * FROM gallery2 WHERE topic_id="134979" UNION SELECT * FROM gallery2 WHERE topic_id="1538437" UNION SELECT * FROM gallery2 WHERE topic_id="1378874" UNION SELECT * FROM gallery2 WHERE topic_id="281048" UNION SELECT * FROM gallery2 WHERE topic_id="844482"