As you might already know, Movable Type beats WordPress when it comes to integrated plugins, that means those plugins get better support than 3rd party plugins.

Moving further with the story Movable Type 4.0 provided (as they claim “for the first time”) framework for developers, so they could

define their own custom asset types as illustrated through the Media Manager and Podcasting plugins for Movable Type.

Well in Movable Type 4.1 (which is still in BETA) administrators and authors can more easly edit, tag and orginize the assets within their Movable Type install. From now on, you can:

• Filter Assets by Type - you can simply filter your assets by Flickr images, YouTube videos… well you got the point.
• One Click Previews - provides small and zoom-able thumbnails for all the assets in a list.
• Asset Auditing - from the details screen you can view which and where assets are used, so you can for example: update them sitewide.
• Edit Assets - tag it, rename it, change description… you know - edit them

It will really make our life easier when it comes out of BETA.