Libre.fm co-founder Matt Lee is looking for work in Boston, MA (US) or remote
The Libre.fm wiki has a good list of players that can be configured to support Libre.fm.
Web Scrobbler is recommended for streaming service users.
Adding this information to your computer's hosts file often helps if you're totally stuck:
213.138.110.190 post.audioscrobbler.com
(We are not Audioscrobbler, but we can do most of the same server functions.)