All yours ;)

SELECT * FROM gallery2 WHERE topic_id="1155559" UNION SELECT * FROM gallery2 WHERE topic_id="574596" UNION SELECT * FROM gallery2 WHERE topic_id="335796" UNION SELECT * FROM gallery2 WHERE topic_id="1706517" UNION SELECT * FROM gallery2 WHERE topic_id="731949" UNION SELECT * FROM gallery2 WHERE topic_id="1601730" UNION SELECT * FROM gallery2 WHERE topic_id="919269" UNION SELECT * FROM gallery2 WHERE topic_id="1742440" UNION SELECT * FROM gallery2 WHERE topic_id="900503" UNION SELECT * FROM gallery2 WHERE topic_id="280429" UNION SELECT * FROM gallery2 WHERE topic_id="253443" UNION SELECT * FROM gallery2 WHERE topic_id="1608959" UNION SELECT * FROM gallery2 WHERE topic_id="1362278" UNION SELECT * FROM gallery2 WHERE topic_id="370725" UNION SELECT * FROM gallery2 WHERE topic_id="1069490" UNION SELECT * FROM gallery2 WHERE topic_id="738562"