As some of you guys already know that there's always a thread with beatmap requests from the newbie at a certain subforums. Since the newbie is a newly registered users which is below than 50 posts, how about restricting/disallowing them posting a new topic? After the newbies gets more than 50 posts, they can post a new topic but with a reminder before proceeding to make one.
Or,
If it's inacceptable, another way is, make an introduction of each section/subforums about it with a large font.
Or,
If it's inacceptable, another way is, make an introduction of each section/subforums about it with a large font.