Here’s a blog post with a solution to the persistent problem of modeling staircases that work with miniature bases.
Instructables has an article on how to turn inexpensive hardware store caulk into casting material. I can see o-so-many applications for this one.
Here’s a great illustrated post on building a spectacular African savanna battle board.
The I See Lead People Blog has a photo tutorial on modeling the distinctive Birch Tree.
Bob’s Miniature Wargaming Blog has what I think is a very neat construction method for making littoral terrain for his DBA Viking Army. The littoral is the part of a body of water that is close to shore.