SurvivalX - Instruction in bushcraft and outdoor skills, including shelter construction, navigation, water procurement, trapping, edible plant identification. Based in Berkshire, England. - http://www.survivalx.net/
Four hour kayak - Build a kayak in approximately 4 hours using willow or alder shoots, cordage, a 9x12 tarp and Grip Clips. - http://www.shelter-systems.com/kayak.html
Flip Flop Winch - Shows you how to make a powerful winch with a rope and two sticks. - http://www.edibleplants.com/month/flipflop.htm