Here is a fast, cheap and easy way to make decent tank traps for any modern wargaming table with step-by-step instructions and pictures to guide you. These are a great addition to any wargaming table to add some small details.
This tutorial on how to make miniature trees easy is cheap to do and simple to follow. I use twist ties as the core of the trees and then add details for a nice finishing touch. This is a great and cheap way to get some nice tree terrain for your wargaming table.