You are not logged in.
This is an MXML code which is compiled into a Flex application. It cannot be dynamically loaded.
However, it's still technically just an XML document, which can be loaded by your Flex application, parsed and add movies via ActionScript's DataSet.addObject method:
http://flex.ammap.com/class_reference/c … ddObject()
I'm afraid we don't have such ready-made example. Sorry.