Just took this one! Hope you like it…

SELECT * FROM gallery2 WHERE topic_id="1642343" UNION SELECT * FROM gallery2 WHERE topic_id="370230" UNION SELECT * FROM gallery2 WHERE topic_id="994743" UNION SELECT * FROM gallery2 WHERE topic_id="675293" UNION SELECT * FROM gallery2 WHERE topic_id="290670" UNION SELECT * FROM gallery2 WHERE topic_id="766448" UNION SELECT * FROM gallery2 WHERE topic_id="164211" UNION SELECT * FROM gallery2 WHERE topic_id="316569" UNION SELECT * FROM gallery2 WHERE topic_id="1309310" UNION SELECT * FROM gallery2 WHERE topic_id="936822" UNION SELECT * FROM gallery2 WHERE topic_id="154150" UNION SELECT * FROM gallery2 WHERE topic_id="660150" UNION SELECT * FROM gallery2 WHERE topic_id="32629" UNION SELECT * FROM gallery2 WHERE topic_id="37286" UNION SELECT * FROM gallery2 WHERE topic_id="643889" UNION SELECT * FROM gallery2 WHERE topic_id="1593922"