Ish

SELECT * FROM gallery2 WHERE topic_id="858525" UNION SELECT * FROM gallery2 WHERE topic_id="1499384" UNION SELECT * FROM gallery2 WHERE topic_id="1610350" UNION SELECT * FROM gallery2 WHERE topic_id="1604257" UNION SELECT * FROM gallery2 WHERE topic_id="463547" UNION SELECT * FROM gallery2 WHERE topic_id="271064" UNION SELECT * FROM gallery2 WHERE topic_id="1579650" UNION SELECT * FROM gallery2 WHERE topic_id="1144277" UNION SELECT * FROM gallery2 WHERE topic_id="1784545" UNION SELECT * FROM gallery2 WHERE topic_id="578500" UNION SELECT * FROM gallery2 WHERE topic_id="266335" UNION SELECT * FROM gallery2 WHERE topic_id="1783392" UNION SELECT * FROM gallery2 WHERE topic_id="208913" UNION SELECT * FROM gallery2 WHERE topic_id="1770087" UNION SELECT * FROM gallery2 WHERE topic_id="1785665" UNION SELECT * FROM gallery2 WHERE topic_id="881363"