Let me fill that up for you

SELECT * FROM gallery2 WHERE topic_id="1182142" UNION SELECT * FROM gallery2 WHERE topic_id="1044302" UNION SELECT * FROM gallery2 WHERE topic_id="1022981" UNION SELECT * FROM gallery2 WHERE topic_id="98707" UNION SELECT * FROM gallery2 WHERE topic_id="36081" UNION SELECT * FROM gallery2 WHERE topic_id="1489188" UNION SELECT * FROM gallery2 WHERE topic_id="1081831" UNION SELECT * FROM gallery2 WHERE topic_id="1002888" UNION SELECT * FROM gallery2 WHERE topic_id="943038" UNION SELECT * FROM gallery2 WHERE topic_id="81480" UNION SELECT * FROM gallery2 WHERE topic_id="1564623" UNION SELECT * FROM gallery2 WHERE topic_id="1110341" UNION SELECT * FROM gallery2 WHERE topic_id="31279" UNION SELECT * FROM gallery2 WHERE topic_id="1652139" UNION SELECT * FROM gallery2 WHERE topic_id="1515150" UNION SELECT * FROM gallery2 WHERE topic_id="1076572"