I think this fits pretty good

SELECT * FROM gallery2 WHERE topic_id="980606" UNION SELECT * FROM gallery2 WHERE topic_id="427583" UNION SELECT * FROM gallery2 WHERE topic_id="836215" UNION SELECT * FROM gallery2 WHERE topic_id="249126" UNION SELECT * FROM gallery2 WHERE topic_id="1606803" UNION SELECT * FROM gallery2 WHERE topic_id="1183000" UNION SELECT * FROM gallery2 WHERE topic_id="1401906" UNION SELECT * FROM gallery2 WHERE topic_id="411915" UNION SELECT * FROM gallery2 WHERE topic_id="838068" UNION SELECT * FROM gallery2 WHERE topic_id="1248941" UNION SELECT * FROM gallery2 WHERE topic_id="1118681" UNION SELECT * FROM gallery2 WHERE topic_id="416550" UNION SELECT * FROM gallery2 WHERE topic_id="1548286" UNION SELECT * FROM gallery2 WHERE topic_id="1751367" UNION SELECT * FROM gallery2 WHERE topic_id="25694" UNION SELECT * FROM gallery2 WHERE topic_id="369089"