All cleaned up.

SELECT * FROM gallery2 WHERE topic_id="164798" UNION SELECT * FROM gallery2 WHERE topic_id="984826" UNION SELECT * FROM gallery2 WHERE topic_id="605594" UNION SELECT * FROM gallery2 WHERE topic_id="888541" UNION SELECT * FROM gallery2 WHERE topic_id="1014999" UNION SELECT * FROM gallery2 WHERE topic_id="1395802" UNION SELECT * FROM gallery2 WHERE topic_id="843100" UNION SELECT * FROM gallery2 WHERE topic_id="1346798" UNION SELECT * FROM gallery2 WHERE topic_id="658039" UNION SELECT * FROM gallery2 WHERE topic_id="575127" UNION SELECT * FROM gallery2 WHERE topic_id="1481545" UNION SELECT * FROM gallery2 WHERE topic_id="391355" UNION SELECT * FROM gallery2 WHERE topic_id="1401820" UNION SELECT * FROM gallery2 WHERE topic_id="1004826" UNION SELECT * FROM gallery2 WHERE topic_id="1408675" UNION SELECT * FROM gallery2 WHERE topic_id="173516"