Cracking the .sd files

[alpaca]

Well I think too many console commands for the average modder
Anyways, waiting for your new version because I'm too lazy to install cygwin again.

By the way, I can confirm that our first byte seems to be a boolean flag of whether the game should use the alpha channel or not with this pic (mapping with the sign function: 0 is 0, all else is 1)