Thoughts

SELECT * FROM gallery2 WHERE topic_id="1608229" UNION SELECT * FROM gallery2 WHERE topic_id="1650355" UNION SELECT * FROM gallery2 WHERE topic_id="254526" UNION SELECT * FROM gallery2 WHERE topic_id="1047996" UNION SELECT * FROM gallery2 WHERE topic_id="1725689" UNION SELECT * FROM gallery2 WHERE topic_id="1257453" UNION SELECT * FROM gallery2 WHERE topic_id="1793450" UNION SELECT * FROM gallery2 WHERE topic_id="8505" UNION SELECT * FROM gallery2 WHERE topic_id="1192242" UNION SELECT * FROM gallery2 WHERE topic_id="1284075" UNION SELECT * FROM gallery2 WHERE topic_id="994182" UNION SELECT * FROM gallery2 WHERE topic_id="575779" UNION SELECT * FROM gallery2 WHERE topic_id="895344" UNION SELECT * FROM gallery2 WHERE topic_id="1714483" UNION SELECT * FROM gallery2 WHERE topic_id="598414" UNION SELECT * FROM gallery2 WHERE topic_id="740918"