Dan Welch describes his efforts to model Strong Maine as a snow scene. Dan's HOn30 SR&RL layout transitions through the seasons of the year. Strong is modeled in snow. If you want to model a snow scene, you'll find a few tips and tricks in this Maine 2-Foot Modeler video.
Dan has a website where he details his efforts to model the SR&RL in HOn30.
The home page - srrlrr.weebly.com/
The page for Strong - srrlrr.weebly.com/strong.html