Add

SELECT * FROM gallery2 WHERE topic_id="153829" UNION SELECT * FROM gallery2 WHERE topic_id="1142890" UNION SELECT * FROM gallery2 WHERE topic_id="87597" UNION SELECT * FROM gallery2 WHERE topic_id="625309" UNION SELECT * FROM gallery2 WHERE topic_id="1004188" UNION SELECT * FROM gallery2 WHERE topic_id="87128" UNION SELECT * FROM gallery2 WHERE topic_id="421902" UNION SELECT * FROM gallery2 WHERE topic_id="21975" UNION SELECT * FROM gallery2 WHERE topic_id="62209" UNION SELECT * FROM gallery2 WHERE topic_id="1291089" UNION SELECT * FROM gallery2 WHERE topic_id="743611" UNION SELECT * FROM gallery2 WHERE topic_id="47044" UNION SELECT * FROM gallery2 WHERE topic_id="982589" UNION SELECT * FROM gallery2 WHERE topic_id="83981" UNION SELECT * FROM gallery2 WHERE topic_id="538242" UNION SELECT * FROM gallery2 WHERE topic_id="724183"