A New Day Shaun Cordes and Andy Lewis slacking it up in Arcata, CA. Really good jumping, but no tree friendlies. http://www.youtube.com/watch?v=-IUMr8rLxXQ&mode=related&search=
video - how to set up a slackline on the 1st anchor tree, you can use an overhand or fig-8 on a bight, a clove hitch or the suggested munter hitch. other than that, really easy to follow. http://www.youtube.com/watch?v=18qbgwCn2ZA