If you choose wallpaper with lots of pattern, you will have very little need for pictures or artwork. When choosing wallpaper, don’t assume that a small foyer should be papered with an equally small printed design. Some of the prettiest foyers I’ve been in, were small ones, where the paper chosen was large scale and very bold. The effect was wonderful! The entry is the perfect spot for tromp l’oeil. Possibly a mural of a Grecian urn or a large topiary.
The foyer is the room that greets you as soon as you step through the front door. This is the first space and sometimes the only space guests see of your home, yet often foyers or entryways are neglected. This strikes me as odd. Somehow, I always think of the foyer as one of the most important rooms in the home. The foyer is usually where first impressions are made.