I looked over the Dec. tips and tricks newsletter written by Doc Wheeler. Doc explains this process of replacing different woods into "cutouts" made in the base wood with plugs of different woods. First off...why? You could do the same thing by carving out the recesses and insetting the other wood carvings into the recess later. I would not do this unless the base piece had been sealed VERY well first. Secondly, Doc advocates gluing grain in different directions! If this thing is not sealed and in an environment where moisture level is constant...you are going to end up with kindling in a year or two. Wood moves all the time and what Doc is advocating is a no no from woodworking 101. I think a lot of people are going to be very disappointed if they follow this procedure. As an example, Doc has made a plaque of with horses wherein he incorporates this procedure. He has the bulk of the plaque with grain running east and west but then incorporates a different wood with grain running north and south. Wood is not a canvas, there are "rules" that must be adhered to if you expect your projects to last. Just a thought. It looks very nice, BUT......