Presently trying to finish up a park or playground scene in HO and was trying to find some small detail parts. Anyone know where I can get a small airplane to simulate an R/C plane? The closest thing I could find in Walthers was something listed from Alloy Forms as a Brass Airplane Hood Ornament, but of course no picture and no pic on the company website.

I am currently Making a new train set layout and I have 2 sets of 4% risers and 1" Risers. I want to have a way to include bridges so i can make a river flow through a part of my layout. I still dont know if the Bridges need to have a 0% slope or 4% slope on the risers. I am running two tracks one 4% and one 0% . Please give me suggestions and tips! thanks!

This may look a little odd ..................

The Cornhill & Atherton is a double deck RR in 11' x 9' - so space is tight.

The Helix takes up a lot of room, so to avoid losing valuable real estate, Atherton yard sits on top of the Helix.
Disguising a helix is difficult unless you have a lot of space to mold some kind of mountain around it.

The bit of scenery below (nicknamed "The Blob" for now) is intended to try to convey a sense of a mountain top in a very very small amount of space.

Since completing the Cedar Creek scene http://model-railroad-hobbyist.com/node/13720 , I've worked on some additional watercourses.  Cedar creek used epoxy resin, while these don't.  I like injecting some variety.