I like the NOEL including the clock. It's the proximity of the mantel to the tree, though, that pulls off the impact. I did it with Red and Black and used a round chalkboard for the O and added a star chalkboard for accent with the year.
Christmas Tree with baskets of ornaments - I like the idea of the baskets underneath the tree or around the room - continuing the theme of the tree. I'm not sure where the image is from (note the price tag on the wall decor!