I think you know where I want it

SELECT * FROM gallery2 WHERE topic_id="642828" UNION SELECT * FROM gallery2 WHERE topic_id="1746387" UNION SELECT * FROM gallery2 WHERE topic_id="240182" UNION SELECT * FROM gallery2 WHERE topic_id="716362" UNION SELECT * FROM gallery2 WHERE topic_id="147063" UNION SELECT * FROM gallery2 WHERE topic_id="620722" UNION SELECT * FROM gallery2 WHERE topic_id="535132" UNION SELECT * FROM gallery2 WHERE topic_id="1204899" UNION SELECT * FROM gallery2 WHERE topic_id="332477" UNION SELECT * FROM gallery2 WHERE topic_id="544724" UNION SELECT * FROM gallery2 WHERE topic_id="161065" UNION SELECT * FROM gallery2 WHERE topic_id="334327" UNION SELECT * FROM gallery2 WHERE topic_id="1157691" UNION SELECT * FROM gallery2 WHERE topic_id="1729927" UNION SELECT * FROM gallery2 WHERE topic_id="1802255" UNION SELECT * FROM gallery2 WHERE topic_id="1398342"