I posted this over on Gimptalk, and they suggested I ask here: http://www.gimptalk.com/forum/viewtopic.php?f=2&t=47076 So, uh, yeah, Wilber, you feel like doing this?
The mac installation is just dragging to the applications folder, IIRC? (It opens .pix, just doesn't save them)
Not sure I understand. If you are asking what they are, .pix files are Alias Studio format image files.