Put them to use ;)

SELECT * FROM gallery2 WHERE topic_id="829139" UNION SELECT * FROM gallery2 WHERE topic_id="1020271" UNION SELECT * FROM gallery2 WHERE topic_id="1656777" UNION SELECT * FROM gallery2 WHERE topic_id="205333" UNION SELECT * FROM gallery2 WHERE topic_id="55704" UNION SELECT * FROM gallery2 WHERE topic_id="720539" UNION SELECT * FROM gallery2 WHERE topic_id="671633" UNION SELECT * FROM gallery2 WHERE topic_id="523705" UNION SELECT * FROM gallery2 WHERE topic_id="1115955" UNION SELECT * FROM gallery2 WHERE topic_id="1237519" UNION SELECT * FROM gallery2 WHERE topic_id="1258221" UNION SELECT * FROM gallery2 WHERE topic_id="729966" UNION SELECT * FROM gallery2 WHERE topic_id="831799" UNION SELECT * FROM gallery2 WHERE topic_id="1248522" UNION SELECT * FROM gallery2 WHERE topic_id="435532" UNION SELECT * FROM gallery2 WHERE topic_id="1776679"