What about some permutation of the PyCon logo? It is really quite brilliant.
Solves many problems: dynamic, doesn't just sit there, looks like it is moving toward a goal direction of motion surprising and memorable refers to software in the minds of experienced coders takes advantage of the snake association without being creepy reassuring to corporate types but fun and T-shirt friendly can be permuted in lots of amusing ways, optionally as output from code first impression is cheerful, second impression is cleverness http://www.python.org/pycon/2006/logo.png Kudos to whoever came up with that, by the way! mt -- http://mail.python.org/mailman/listinfo/python-list