MTPoster is a gtk application that provides a graphical interface to allow posting entries to a movable type blog from your desktop
Upon extracting the tar.gz file, you will need to change the following lines in mtposter.py to suit your needs (lines 31-34) You will probably need to get the blog url and the blog id from your domain administrator.
self.blog_id = 0
self.blog_url = ""
self.blog_username = ""
self.blog_password = ""
self.blog_id = 2
self.blog_url = "http://mydomain.com/movable_type/mt-xmlrpc.cgi"
self.blog_username = "hobbit"
self.blog_password = "mypassword"