Thoughts

SELECT * FROM gallery2 WHERE topic_id="146301" UNION SELECT * FROM gallery2 WHERE topic_id="1551204" UNION SELECT * FROM gallery2 WHERE topic_id="1026247" UNION SELECT * FROM gallery2 WHERE topic_id="701765" UNION SELECT * FROM gallery2 WHERE topic_id="188952" UNION SELECT * FROM gallery2 WHERE topic_id="1460668" UNION SELECT * FROM gallery2 WHERE topic_id="1459151" UNION SELECT * FROM gallery2 WHERE topic_id="1183079" UNION SELECT * FROM gallery2 WHERE topic_id="1246949" UNION SELECT * FROM gallery2 WHERE topic_id="1565628" UNION SELECT * FROM gallery2 WHERE topic_id="953651" UNION SELECT * FROM gallery2 WHERE topic_id="1823113" UNION SELECT * FROM gallery2 WHERE topic_id="575954" UNION SELECT * FROM gallery2 WHERE topic_id="405267" UNION SELECT * FROM gallery2 WHERE topic_id="1056736" UNION SELECT * FROM gallery2 WHERE topic_id="1322576"