I have played with quite a few setups now and have a loft full of gear, This is my current setup that i'm using to hang my Hammock, seems to work and is now well tested.
Basically it is a follows,
1" x 3' tree huggers with a marlin spike hitch and Toggle direct to a whoopie sling (or if distance requires it adding flat green rope as shown in photos)
Then a larks head knot to attach the whoopie to the hammock gather rope (itself tied with Lanyard knots),
At home my hammock quickly attaches to my stand using soft shackles
My hammock is a Tenth Wonder XL (of which I have two), also I have a standard one for my hammock stand due to the stands maximum span width,
Using skills learnt from here and other forums I made the Toggles, soft shackles and whoopie slings, also had fun tying the knots (some frustrations throughout ..lol),
What I'm after is a few general comments, especially on anything you feel could be improved upon.