Need some help... Google failed me (or perhaps I failed Google)...

I don't have any old wallet.dat files any longer. But I do have several clam-worthy Bitcoin addresses as well as their private keys. Is there a way for me to recreate the wallet.dat files in order to import them into Clam-Qt so that I can claim my allocated clams? Any advice/guidance/clues would be appreciated.

[Later append... I think I'm on the right track... Will post this in case it ever helps someone else:] So I downloaded a pre-HD version of "Multibit Classic"; then exported its private key to a "multibit.key" file; then text-edited that file with my actual clam-filled private key. I found this instruction on the clamclient.com site: "Place the '.key' file in the same folder as clam-qt.exe. Go to 'console' in clam-qt, type 'importwalletdump yourfilename.key'." (We'll see if this works for me. First, I'm waiting for the Clam-Qt client to finish importing the bootstrap.dat file, which could take awhile.)