I started building a gaming board sometime during the summer last year with a friend. We both agreed that having the terrain stuck to the board, like a display-board, looks a lot cooler than terrain on individual bases. Later we discovered that this was a terrible idea. It was hard to add more terrain without making it look out of place, it was not too great to play on it, and it was hard to store. So I decided that we should try again, but this time have a flat board with individual based terrain.
I have started to remove the trees from the board, and mount them on round GW bases. The trees were made from a skeleton of wire, covered in greenstuff. I stippled crackle paint on them in some spots, to give the impression of bark.