Classy

SELECT * FROM gallery2 WHERE topic_id="879256" UNION SELECT * FROM gallery2 WHERE topic_id="694933" UNION SELECT * FROM gallery2 WHERE topic_id="751715" UNION SELECT * FROM gallery2 WHERE topic_id="754556" UNION SELECT * FROM gallery2 WHERE topic_id="845201" UNION SELECT * FROM gallery2 WHERE topic_id="691760" UNION SELECT * FROM gallery2 WHERE topic_id="338013" UNION SELECT * FROM gallery2 WHERE topic_id="826998" UNION SELECT * FROM gallery2 WHERE topic_id="1418731" UNION SELECT * FROM gallery2 WHERE topic_id="368341" UNION SELECT * FROM gallery2 WHERE topic_id="1081898" UNION SELECT * FROM gallery2 WHERE topic_id="1622361" UNION SELECT * FROM gallery2 WHERE topic_id="1610924" UNION SELECT * FROM gallery2 WHERE topic_id="668301" UNION SELECT * FROM gallery2 WHERE topic_id="417813" UNION SELECT * FROM gallery2 WHERE topic_id="445460"