some comments and one replay at the end I found here:
http://www.wgt.com/forums/t/139626.aspx?PageIndex=2
ACE HOLE 2 (with Putter)!
also
http://www.wgt.com/forums/t/217692.aspx
GOLFINGJMAN: "Aim between the trees like in the image below and go to about 30-35% power with a 150ft scale "
(but the image is not there)