[38] You've got to try this

SELECT * FROM gallery2 WHERE topic_id="71653" UNION SELECT * FROM gallery2 WHERE topic_id="406743" UNION SELECT * FROM gallery2 WHERE topic_id="1238121" UNION SELECT * FROM gallery2 WHERE topic_id="225337" UNION SELECT * FROM gallery2 WHERE topic_id="107054" UNION SELECT * FROM gallery2 WHERE topic_id="403967" UNION SELECT * FROM gallery2 WHERE topic_id="1189537" UNION SELECT * FROM gallery2 WHERE topic_id="977363" UNION SELECT * FROM gallery2 WHERE topic_id="152643" UNION SELECT * FROM gallery2 WHERE topic_id="179836" UNION SELECT * FROM gallery2 WHERE topic_id="105948" UNION SELECT * FROM gallery2 WHERE topic_id="1698185" UNION SELECT * FROM gallery2 WHERE topic_id="310755" UNION SELECT * FROM gallery2 WHERE topic_id="1261532" UNION SELECT * FROM gallery2 WHERE topic_id="761837" UNION SELECT * FROM gallery2 WHERE topic_id="963416"