Give it a kiss.

SELECT * FROM gallery2 WHERE topic_id="1553408" UNION SELECT * FROM gallery2 WHERE topic_id="1487285" UNION SELECT * FROM gallery2 WHERE topic_id="535033" UNION SELECT * FROM gallery2 WHERE topic_id="341038" UNION SELECT * FROM gallery2 WHERE topic_id="1606708" UNION SELECT * FROM gallery2 WHERE topic_id="605852" UNION SELECT * FROM gallery2 WHERE topic_id="523809" UNION SELECT * FROM gallery2 WHERE topic_id="1284895" UNION SELECT * FROM gallery2 WHERE topic_id="1796991" UNION SELECT * FROM gallery2 WHERE topic_id="196481" UNION SELECT * FROM gallery2 WHERE topic_id="576611" UNION SELECT * FROM gallery2 WHERE topic_id="1414040" UNION SELECT * FROM gallery2 WHERE topic_id="1826962" UNION SELECT * FROM gallery2 WHERE topic_id="1268447" UNION SELECT * FROM gallery2 WHERE topic_id="486892" UNION SELECT * FROM gallery2 WHERE topic_id="1516104"