A python library to manage the Art4Apps resources
Art4Apps is a database of images, audio,and videos files of words created by ET4D under a Creative Common License (CC BY-SA). The primary objective in sharing this database is to promote apps development in the field of literacy in an effort to support and sustain the diversity among world languages. More information is available in the site [1]
Letter images are from Vicki Wenderlich web site [2] another nice source for free game images.
More information http://wiki.sugarlabs.org/go/Art4Apps
[2] http://www.vickiwenderlich.com/2012/12/free-game-art-letter-tiles/