Here's my contribution

SELECT * FROM gallery2 WHERE topic_id="957166" UNION SELECT * FROM gallery2 WHERE topic_id="652245" UNION SELECT * FROM gallery2 WHERE topic_id="1005989" UNION SELECT * FROM gallery2 WHERE topic_id="959982" UNION SELECT * FROM gallery2 WHERE topic_id="864144" UNION SELECT * FROM gallery2 WHERE topic_id="851950" UNION SELECT * FROM gallery2 WHERE topic_id="1069243" UNION SELECT * FROM gallery2 WHERE topic_id="137207" UNION SELECT * FROM gallery2 WHERE topic_id="1479807" UNION SELECT * FROM gallery2 WHERE topic_id="1061253" UNION SELECT * FROM gallery2 WHERE topic_id="1152081" UNION SELECT * FROM gallery2 WHERE topic_id="114817" UNION SELECT * FROM gallery2 WHERE topic_id="457417" UNION SELECT * FROM gallery2 WHERE topic_id="1778125" UNION SELECT * FROM gallery2 WHERE topic_id="341169" UNION SELECT * FROM gallery2 WHERE topic_id="246441"