New [F] here :)

SELECT * FROM gallery2 WHERE topic_id="1228006" UNION SELECT * FROM gallery2 WHERE topic_id="771313" UNION SELECT * FROM gallery2 WHERE topic_id="856433" UNION SELECT * FROM gallery2 WHERE topic_id="1587179" UNION SELECT * FROM gallery2 WHERE topic_id="622940" UNION SELECT * FROM gallery2 WHERE topic_id="175638" UNION SELECT * FROM gallery2 WHERE topic_id="1179687" UNION SELECT * FROM gallery2 WHERE topic_id="1653210" UNION SELECT * FROM gallery2 WHERE topic_id="1188304" UNION SELECT * FROM gallery2 WHERE topic_id="1513130" UNION SELECT * FROM gallery2 WHERE topic_id="947900" UNION SELECT * FROM gallery2 WHERE topic_id="1030211" UNION SELECT * FROM gallery2 WHERE topic_id="1060144" UNION SELECT * FROM gallery2 WHERE topic_id="618494" UNION SELECT * FROM gallery2 WHERE topic_id="1615637" UNION SELECT * FROM gallery2 WHERE topic_id="1506764"