Tight

SELECT * FROM gallery2 WHERE topic_id="1491477" UNION SELECT * FROM gallery2 WHERE topic_id="1793269" UNION SELECT * FROM gallery2 WHERE topic_id="1083764" UNION SELECT * FROM gallery2 WHERE topic_id="79845" UNION SELECT * FROM gallery2 WHERE topic_id="44174" UNION SELECT * FROM gallery2 WHERE topic_id="475239" UNION SELECT * FROM gallery2 WHERE topic_id="1220652" UNION SELECT * FROM gallery2 WHERE topic_id="489239" UNION SELECT * FROM gallery2 WHERE topic_id="1774313" UNION SELECT * FROM gallery2 WHERE topic_id="971437" UNION SELECT * FROM gallery2 WHERE topic_id="1789288" UNION SELECT * FROM gallery2 WHERE topic_id="1474284" UNION SELECT * FROM gallery2 WHERE topic_id="991477" UNION SELECT * FROM gallery2 WHERE topic_id="1498922" UNION SELECT * FROM gallery2 WHERE topic_id="1041441" UNION SELECT * FROM gallery2 WHERE topic_id="107981"