I stretched it open for you, now fill it up

SELECT * FROM gallery2 WHERE topic_id="340648" UNION SELECT * FROM gallery2 WHERE topic_id="1254835" UNION SELECT * FROM gallery2 WHERE topic_id="1126657" UNION SELECT * FROM gallery2 WHERE topic_id="1381390" UNION SELECT * FROM gallery2 WHERE topic_id="1358484" UNION SELECT * FROM gallery2 WHERE topic_id="1211725" UNION SELECT * FROM gallery2 WHERE topic_id="1420353" UNION SELECT * FROM gallery2 WHERE topic_id="510437" UNION SELECT * FROM gallery2 WHERE topic_id="1007014" UNION SELECT * FROM gallery2 WHERE topic_id="972205" UNION SELECT * FROM gallery2 WHERE topic_id="838077" UNION SELECT * FROM gallery2 WHERE topic_id="942034" UNION SELECT * FROM gallery2 WHERE topic_id="1341267" UNION SELECT * FROM gallery2 WHERE topic_id="181539" UNION SELECT * FROM gallery2 WHERE topic_id="971028" UNION SELECT * FROM gallery2 WHERE topic_id="863214"