Dear Bryan,
You might find the Utube link below interesting. There are some curious things shown here, and whilst one or two may be 'dubious', in the main, and after studying them, most look to be authentic. There is one partic. one of a elec. pole glowing like a cross, and I am convinced this is St Elmo's fire, though the poster does not realise what he saw... so this tends to confirm to me that it is authentic. Some of the ball lightning entries are certainly very curious indeed, and would not be that easy to fake. If you follow on the search for lightning in general there are some remarkable entries... again, one or two are dubious, but most are startlingly genuine!
Regards, Bernard