Website with layout plans for LEGO Duplo trains? Can anybody suggest a web site with plans for LEGO Duplo trains?

I've searched the net for a while without any interesting results.
Any hints appreciated!
I'm not aware of any sites that are dedicated to DUPLO train layouts, but there are certainly interesting layout ideas out there. For example, this was included in set 2932:



There are also loads of great creations in this Pinterest category: