Download Movable Type Plugin
In order to post content from ScreenSteps Desktop to Joomla you need a Joomla plugin that supports the Movable Type XML-RPC API. You can find such a plugin in the Joomla Extensions Directory. It is called the MovableType XML-RPC Plugin and it can be found at the following URL:
http://extensions.joomla.org/extensions/news-production/blog/3831
Plugin Page in Extensions Directory
When you load the plugin page in the extensions directory you will see a Download button. Click it.
Plugin Page
Clicking the Download button will take you to the developer's page.
Scroll Down To Download Link
Scroll down the page to the download link. Click on the box to download the plugin.
You will need to accept the license terms.
After accepting the license terms the file plg-xmlrpc-movabletype-2-3-3.tar will be downloaded to your computer.