Welcome to strobo. It is a simple Python library that allows creation of videos using images and audio files. It has some extra features like: - Creating a 'blank' audio to create videos with only-images (without background sound); - Creating images just from text files.
This video (Coding Dojo Rio) was created using strobo: http://videolog.uol.com.br/video.php?id=488290
Go ahead and try:
$ hg clone http://bitbucket.org/turicas/strobo/wiki/
If you use strobo, please let me know.