Tight

SELECT * FROM gallery2 WHERE topic_id="491767" UNION SELECT * FROM gallery2 WHERE topic_id="1195202" UNION SELECT * FROM gallery2 WHERE topic_id="959507" UNION SELECT * FROM gallery2 WHERE topic_id="1420034" UNION SELECT * FROM gallery2 WHERE topic_id="502493" UNION SELECT * FROM gallery2 WHERE topic_id="1498083" UNION SELECT * FROM gallery2 WHERE topic_id="107712" UNION SELECT * FROM gallery2 WHERE topic_id="245179" UNION SELECT * FROM gallery2 WHERE topic_id="905859" UNION SELECT * FROM gallery2 WHERE topic_id="843908" UNION SELECT * FROM gallery2 WHERE topic_id="1737219" UNION SELECT * FROM gallery2 WHERE topic_id="328321" UNION SELECT * FROM gallery2 WHERE topic_id="249428" UNION SELECT * FROM gallery2 WHERE topic_id="1366559" UNION SELECT * FROM gallery2 WHERE topic_id="15571" UNION SELECT * FROM gallery2 WHERE topic_id="1557361"