come closer ;)

SELECT * FROM gallery2 WHERE topic_id="950877" UNION SELECT * FROM gallery2 WHERE topic_id="1028938" UNION SELECT * FROM gallery2 WHERE topic_id="546823" UNION SELECT * FROM gallery2 WHERE topic_id="68374" UNION SELECT * FROM gallery2 WHERE topic_id="493469" UNION SELECT * FROM gallery2 WHERE topic_id="29200" UNION SELECT * FROM gallery2 WHERE topic_id="76755" UNION SELECT * FROM gallery2 WHERE topic_id="821346" UNION SELECT * FROM gallery2 WHERE topic_id="341952" UNION SELECT * FROM gallery2 WHERE topic_id="1777945" UNION SELECT * FROM gallery2 WHERE topic_id="1200834" UNION SELECT * FROM gallery2 WHERE topic_id="1606590" UNION SELECT * FROM gallery2 WHERE topic_id="309209" UNION SELECT * FROM gallery2 WHERE topic_id="506754" UNION SELECT * FROM gallery2 WHERE topic_id="1097578" UNION SELECT * FROM gallery2 WHERE topic_id="562932"