A great new On3 modular layout is being built for dispay at the 2012 National Narrow Gauge Convention in Seattle.
http://www.narrowgaugebuilder.com/
There are more pictures on the Convention website
WWW.seattle2012.com
I wish I was that good at building structures and scenery.
Webfoot,
Time Practice and patience is all it takes, That layout has a team of people working together all doing what they are best at and then putting it all on one layout and don't forget a lot of resources to make it as great as it is.
NM-Jeff