IBM DeveloperWorks (registration required) has a tutorial on developing Python activities for the One Laptop Per Child (OLPC) computers. It covers the XO laptop architecture, internals, and talks about its application environment with the Sugar UI written in Python , accessible to everyone (including kids). Explore the APIs and learn how to develop and debug a graphical activity using Python, and platform emulation with QEMU (for those /. ers that did not order their own). The G1G1 program is running through 31 December.