Let me put it to the side so you can have a peek ;)

SELECT * FROM gallery2 WHERE topic_id="533684" UNION SELECT * FROM gallery2 WHERE topic_id="1582975" UNION SELECT * FROM gallery2 WHERE topic_id="1753076" UNION SELECT * FROM gallery2 WHERE topic_id="1156987" UNION SELECT * FROM gallery2 WHERE topic_id="1035198" UNION SELECT * FROM gallery2 WHERE topic_id="1332644" UNION SELECT * FROM gallery2 WHERE topic_id="813757" UNION SELECT * FROM gallery2 WHERE topic_id="1062288" UNION SELECT * FROM gallery2 WHERE topic_id="1481128" UNION SELECT * FROM gallery2 WHERE topic_id="817001" UNION SELECT * FROM gallery2 WHERE topic_id="877801" UNION SELECT * FROM gallery2 WHERE topic_id="867149" UNION SELECT * FROM gallery2 WHERE topic_id="1675599" UNION SELECT * FROM gallery2 WHERE topic_id="113062" UNION SELECT * FROM gallery2 WHERE topic_id="189314" UNION SELECT * FROM gallery2 WHERE topic_id="1660346"