One of the related vids to that one came from these guys.http://www.riseaboveaerials.com.au/
using something like this.
hahahaa sound track ., the first 18 seconds is 1 strike.. camera nikon v1 has a 400 frames a second function, only 6 seconds of footage tho,,, which when replayed goes for 1min6seconds ,is that what u call slo mo dusta man
Sorry pal,but i think i took a better picture of lightning on my cheap digi.
P.s. not bad sound track though....