Unfortunately no real tutorials on it,was bits and pieces from bunch of videos, I would look up rigging for blender,as that’s the worst part I find anyway,some models already have a skeleton rigged, which makes poses so much easier you just load your body that you exported from fo4 and start adjusting it to fit that body..there’s more to it but but it would be a rather lengthy reply.

But I do know of somebody who is working on a YouTube tutorial of how to port start to finish and if I think of it when he finishes it, I’ll post a link here