Still curious though ;)

SELECT * FROM gallery2 WHERE topic_id="765951" UNION SELECT * FROM gallery2 WHERE topic_id="1454780" UNION SELECT * FROM gallery2 WHERE topic_id="753450" UNION SELECT * FROM gallery2 WHERE topic_id="1474538" UNION SELECT * FROM gallery2 WHERE topic_id="1689188" UNION SELECT * FROM gallery2 WHERE topic_id="261220" UNION SELECT * FROM gallery2 WHERE topic_id="453797" UNION SELECT * FROM gallery2 WHERE topic_id="665093" UNION SELECT * FROM gallery2 WHERE topic_id="562867" UNION SELECT * FROM gallery2 WHERE topic_id="821066" UNION SELECT * FROM gallery2 WHERE topic_id="1497110" UNION SELECT * FROM gallery2 WHERE topic_id="106091" UNION SELECT * FROM gallery2 WHERE topic_id="1331452" UNION SELECT * FROM gallery2 WHERE topic_id="1589639" UNION SELECT * FROM gallery2 WHERE topic_id="601916" UNION SELECT * FROM gallery2 WHERE topic_id="213192"