Did some more work on these baffles over the weekend (mainly on Sunday). Got the threaded inserts in on Saturday from McMaster-Carr. They are E-Z Lok brand threaded inserts and are specifically made for composite-type woods (mdf, particle, pressed hardboards, etc). I also mounted the midbass driver to the pod, and the mounted the pod to the door panel. More pics on my SD site.
Here is the basic rundown of what I did on Sunday.
Installed the threaded inserts:
Mounted the driver to the baffle/pod:
Mounted the baffle/pod to the door panel: