Simplistic

SELECT * FROM gallery2 WHERE topic_id="1053021" UNION SELECT * FROM gallery2 WHERE topic_id="83572" UNION SELECT * FROM gallery2 WHERE topic_id="493739" UNION SELECT * FROM gallery2 WHERE topic_id="290150" UNION SELECT * FROM gallery2 WHERE topic_id="1057225" UNION SELECT * FROM gallery2 WHERE topic_id="880325" UNION SELECT * FROM gallery2 WHERE topic_id="866855" UNION SELECT * FROM gallery2 WHERE topic_id="565594" UNION SELECT * FROM gallery2 WHERE topic_id="312132" UNION SELECT * FROM gallery2 WHERE topic_id="910245" UNION SELECT * FROM gallery2 WHERE topic_id="1238618" UNION SELECT * FROM gallery2 WHERE topic_id="1048702" UNION SELECT * FROM gallery2 WHERE topic_id="1798301" UNION SELECT * FROM gallery2 WHERE topic_id="929434" UNION SELECT * FROM gallery2 WHERE topic_id="1512955" UNION SELECT * FROM gallery2 WHERE topic_id="1193531"