Movable Type Backup Importer is a WordPress plugin by rogerdudler that allows you to import Movable Type backups instead of exports. It reads the Meta information from the Movable Type XML file and creates the correct objects and relations in your WordPress Blog.
You can import the following contents from your Movable Type blog:
Support for Multisite setups
Associations between Posts, Tags, Categories & Media
Updated internal URLs in your posts (Images, Links)
Users added as authors to blog instance
Images will be added to the media library (with thumbnails)
Support chunked backups for importing large sites