I use MSR Ground Hog stakes. There are some knock off versions that are just as good but cost less.
As for the tarp, check hammockforums.net. Look for a guy named sclittlefield. He had some woodland camo sil-nylon that you could DIY your own tarp.
As for the tarp, check hammockforums.net. Look for a guy named sclittlefield. He had some woodland camo sil-nylon that you could DIY your own tarp.