edit: the one in the link below is working nicely with 3.1.9 for me, if anyone else finds this topic.
OP, did you ever find something for this?
I am looking at the one mentioned here:
Anyway, I too am looking for a mod to take an rss feed and post new items to one section on one of my forums. (This way I can post one place - e.g. twitter - and then have it auto post to a new topic in one section of my forum. Since I already have code that creates the RSS feed, it would be nice if there was a mod to take that rss feed and auto-post it.)