Lightning is tough to get. Pretty much just need to hold the shutter down and hope for the best. And a ton of lightning is needed as well. I've tried before a few times but nothing postworthy.
Looks like you were camping?
I was just outside of my shop, no special setting, just clicking when I thought it was going to flash again!
(quick on the trigger)
I really seriously am planning on adding to this thread.
Cool stuff so far nobrah.