Jerry Ghionis is a Melbourne photographer, now based in the U.S, and one of the top five wedding photographers in the world. He now spends most of his time teaching workshop or on speaking engagements.
If you have a spare 2 hours the above video (a class he recorded for B&H) is well worth the time. He explains the methods and process he uses for lighting his subjects. Using everything from window light, to candlelight, to on camera flash and everything in between with some amazing results.
As well as lighting techniques there is also plenty of posing tips and some fantastic uses of very ordinary environments/backgrounds you usually try to avoid.