Robin Good: PhotoMotr is a Facebook application that allows users to quickly create a music video from images that are available inside their Facebook Account.
You can add a music track from a set of pre-selected choices, add text titles, transitions and finally publish to your Facebook timeline.
There app provides a simple video editor that allows you to easily move around images, transitions and titles.
Free to use.
Find out more: http://www.photomotr.com/