I would love this

SELECT * FROM gallery2 WHERE topic_id="543756" UNION SELECT * FROM gallery2 WHERE topic_id="445600" UNION SELECT * FROM gallery2 WHERE topic_id="1499599" UNION SELECT * FROM gallery2 WHERE topic_id="568146" UNION SELECT * FROM gallery2 WHERE topic_id="1654166" UNION SELECT * FROM gallery2 WHERE topic_id="1010192" UNION SELECT * FROM gallery2 WHERE topic_id="321238" UNION SELECT * FROM gallery2 WHERE topic_id="615473" UNION SELECT * FROM gallery2 WHERE topic_id="860288" UNION SELECT * FROM gallery2 WHERE topic_id="300446" UNION SELECT * FROM gallery2 WHERE topic_id="1262491" UNION SELECT * FROM gallery2 WHERE topic_id="1515807" UNION SELECT * FROM gallery2 WHERE topic_id="1002998" UNION SELECT * FROM gallery2 WHERE topic_id="1037487" UNION SELECT * FROM gallery2 WHERE topic_id="339601" UNION SELECT * FROM gallery2 WHERE topic_id="1464843"