Org-Blog, written by DavidOtoole, offers experimental blogging support for OrgMode using OrgPublish? to upload the files.
Author’s site (links are dead as of 2009-09-01):
Org-publish is part of the OrgMode distribution as of 2008.
The lisp files were still available from the internet archive, I uploaded them here: Lisp:org-blog.el, Lisp:org-publish.el. AnselmHelbig