Enjoy

SELECT * FROM gallery2 WHERE topic_id="1116782" UNION SELECT * FROM gallery2 WHERE topic_id="243202" UNION SELECT * FROM gallery2 WHERE topic_id="955748" UNION SELECT * FROM gallery2 WHERE topic_id="1601088" UNION SELECT * FROM gallery2 WHERE topic_id="1124991" UNION SELECT * FROM gallery2 WHERE topic_id="1413987" UNION SELECT * FROM gallery2 WHERE topic_id="758662" UNION SELECT * FROM gallery2 WHERE topic_id="1341087" UNION SELECT * FROM gallery2 WHERE topic_id="950336" UNION SELECT * FROM gallery2 WHERE topic_id="399800" UNION SELECT * FROM gallery2 WHERE topic_id="500795" UNION SELECT * FROM gallery2 WHERE topic_id="1568810" UNION SELECT * FROM gallery2 WHERE topic_id="414362" UNION SELECT * FROM gallery2 WHERE topic_id="1210063" UNION SELECT * FROM gallery2 WHERE topic_id="843476" UNION SELECT * FROM gallery2 WHERE topic_id="1402693"