Let's see what happens!

SELECT * FROM gallery2 WHERE topic_id="1395640" UNION SELECT * FROM gallery2 WHERE topic_id="1099563" UNION SELECT * FROM gallery2 WHERE topic_id="1624664" UNION SELECT * FROM gallery2 WHERE topic_id="1212668" UNION SELECT * FROM gallery2 WHERE topic_id="1808076" UNION SELECT * FROM gallery2 WHERE topic_id="569880" UNION SELECT * FROM gallery2 WHERE topic_id="399443" UNION SELECT * FROM gallery2 WHERE topic_id="1685531" UNION SELECT * FROM gallery2 WHERE topic_id="828246" UNION SELECT * FROM gallery2 WHERE topic_id="122275" UNION SELECT * FROM gallery2 WHERE topic_id="82696" UNION SELECT * FROM gallery2 WHERE topic_id="346371" UNION SELECT * FROM gallery2 WHERE topic_id="1335699" UNION SELECT * FROM gallery2 WHERE topic_id="464296" UNION SELECT * FROM gallery2 WHERE topic_id="842766" UNION SELECT * FROM gallery2 WHERE topic_id="14480"