Here, one last unrelated pic with my mac in it.>>46757258
dpkg -i /path/to/b43-fwcutter.deb
tar jxvf /path/to/no_net_install_bcm43xx_firmware.tar.bz2
CD into the directory that's unpacked, and run the script inside as root. You may be able to get away with doing a modprobe to make it work, but I had to reboot.
After you've rebooted, you can install anything you want from the network after you add this to /etc/apt/sources.list :
deb http://ftp.us.debian.org/debian unstable main contrib non-free
deb-src http://ftp.us.debian.org/debian unstable main contrib non-free
or only the first line, and not deb-src, if you never want sources. Change 'unstable' to 'jessie' if you want the latest stable release. (okay, not quite, but jessie will be stable VERY SOON.)
and you've upgraded from Jessie to Sid.
The last thing is the webcam, which has proprietary firmware for some stupid-ass reason. Either follow the guide here for installing the iSight firmware (also works in linux), or download the isight.fw file from the below link and put it in /lib/firmware/, creating the directory yourself if it doesn't exist.https://mega.co.nz/#!npxVADpa!11axINe1AgvsfknddzBoMdHvmIY27cyj1BkBPLs8GK8
then, if you can't make it work, reboot, or do
Now, do whatever you want! You have 100% of your mac's hardware working (maybe not if you have non-intel graphics, but that's just as hard on a mac as anywhere else).