Olol that was anticlimactic
Bad news, it seems that Xanner decided to give out his copy of Terragen to about 20 people right after promising never to give it out until I decided otherwise.
If by "terragen" you just mean hills/lakes and stuff, pure elevation, anyone could just use the cloud renderer that comes with Paint.net, and then make a specicial kind if img2brick to make it into a landscape.
noterragen generates infinite random terrain as you walk.
Nexus has received his prize. The contest is now officially over.