Dan John is great source for oly training and a champion Highland Gamesman so I think he'll have a lot of applicable info for you in that mix of explosion, strongman, etc. He's a big fan of farmer walk, for example.
his forum hosted by Dave Draper: http://www.davedraper.com/fusionbb/s...um.php?fid/73/
"Morning, Putski eats it, noon, Putski eats it, night, Putski eats it. Putski loves!"