By the time the lightning has struck, your camera has realised and clicked I'd be suprised if you even got half the shot in. Unless it was a super bright/long crack.
Best method I think is just to have super fast fire, and shoot when you expect it. I could be wrong, but lightning happens pretty quicky.
Nicks, You need to tidy up the white balance on all the last 3 shots. I'll show you when i come over later on.
Here's a wallpaper shot. Can be found through my sig if you're clever (and can be botheredd)