Some notes for myself and others:
The original 5.1 and 5.2 Jailbreak -
https://www.mobileread.com/forums/sho...d.php?t=186645
Also contains the USBnetworking package in the attachments.
The newer 5.2 ... 5.3.1 Jailbreak -
https://www.mobileread.com/forums/sho...d.php?t=198446
Use the USBnetworking package from the original JB thread link shown above (at least for now).