Origins of images
=================

hull*, lines*, points* and rotate* are original works of Tim Niemueller.

human_emph_legs* is based on "Human Figure" by kelan [1] and licensed 
under the CC-PD license [2] and was modified by Tim Niemueller.

[1] http://openclipart.org/media/files/kelan/11208
[2] http://creativecommons.org/licenses/publicdomain/

