You can buy finished molding in a variety of hardwoods. All you need do is cut it, stain it and nail it in place. However, if you are looking to put your own personal made-in-the-USA stamp on the project, you might want to make your own molding. This is not as difficult as it sounds.
Instead of finished molding, you can buy 1X3s or similar dimension lumber and shape it with a designer router blade.
A router is a power tool used to make fancy edges and to cut designs into wood. It may be attached to a table or it can be hand-held. The hand-held variety has two handles; both of which should be gripped during router operations.
If any tool is ever to bring to reality my wife's nightmares about living power tools, it is the router. It seems to have a mind of its own. It may not chase young, defenseless women, nevertheless it certainly is impatient in their presence.
My router has a tendency to kick back. The tendency manifests itself on corners, where it occasionally pops off the board. This action can be hazardous if not anticipated.
My philosophy for routers is the same as my philosophy for disobedient children. A firm hand will produce a well-behaved router and a straight cut (though you may have to put up with some sulking). A weak hand can lead to a spoiled board and criminal activity (chasing defenseless women). Keep the router well oiled. Never beat it unmercifully or abuse it, and at the dinner table, make it eat its peas and carrots.
When using the hand-held method, the subject board should be clamped to a sawhorse or some other stable platform. Place the router flat against the wood and push the blade until it bites completely into the board. Then run it down in the prescribed direction; repeat until the edge is relatively smooth. If you plan on engraving a line or design into the board, you will need a guideboard clamped to the board to be cut.