That's backwards then. It should be starting at the back. You can always just have them moderated, then there is probably a date changing mod out there somewhere. Change the dates and approve in order. Sloppy but it would work. It's probably not a good idea to bomb your forums with that many at once anyway. Nobody will have time to read and comment them.
It's a base feed parser that's included. Get's the job done but....
http://xenforo.com/community/threads/feeder-registered-feeds.50836/