Tight

SELECT * FROM gallery2 WHERE topic_id="176101" UNION SELECT * FROM gallery2 WHERE topic_id="446557" UNION SELECT * FROM gallery2 WHERE topic_id="1535935" UNION SELECT * FROM gallery2 WHERE topic_id="820288" UNION SELECT * FROM gallery2 WHERE topic_id="910802" UNION SELECT * FROM gallery2 WHERE topic_id="796869" UNION SELECT * FROM gallery2 WHERE topic_id="1311002" UNION SELECT * FROM gallery2 WHERE topic_id="1423218" UNION SELECT * FROM gallery2 WHERE topic_id="784185" UNION SELECT * FROM gallery2 WHERE topic_id="1045771" UNION SELECT * FROM gallery2 WHERE topic_id="1123123" UNION SELECT * FROM gallery2 WHERE topic_id="716415" UNION SELECT * FROM gallery2 WHERE topic_id="472603" UNION SELECT * FROM gallery2 WHERE topic_id="265388" UNION SELECT * FROM gallery2 WHERE topic_id="1352679" UNION SELECT * FROM gallery2 WHERE topic_id="51891"