If your builder grade moulding is begging for a change, farmhouse window moulding is an inexpensive alternative and doesn't require any technical miter cuts. This post lays it all out for you. Click to the post to figure out just what cuts of wood you need to get started.
DIY Window Trim - The Easy Way | Bless'er House - I want to trim all the windows in our entire house like this! For a more vintage look, go a little wider on the side casing and apron and make the 1x6 header slightly narrower.