just a contribution

SELECT * FROM gallery2 WHERE topic_id="1023304" UNION SELECT * FROM gallery2 WHERE topic_id="493049" UNION SELECT * FROM gallery2 WHERE topic_id="743208" UNION SELECT * FROM gallery2 WHERE topic_id="1496225" UNION SELECT * FROM gallery2 WHERE topic_id="1755545" UNION SELECT * FROM gallery2 WHERE topic_id="994854" UNION SELECT * FROM gallery2 WHERE topic_id="1469235" UNION SELECT * FROM gallery2 WHERE topic_id="1575271" UNION SELECT * FROM gallery2 WHERE topic_id="298271" UNION SELECT * FROM gallery2 WHERE topic_id="1128835" UNION SELECT * FROM gallery2 WHERE topic_id="675297" UNION SELECT * FROM gallery2 WHERE topic_id="1282804" UNION SELECT * FROM gallery2 WHERE topic_id="1095052" UNION SELECT * FROM gallery2 WHERE topic_id="778947" UNION SELECT * FROM gallery2 WHERE topic_id="651447" UNION SELECT * FROM gallery2 WHERE topic_id="1684350"