The Hankful House: Neutral Gallery Wall
Picture collage for front entry and impressive wainscoting/crown moulding. Good paint scheme.
Gallery Wall! LOVE! This website also has great design templates! Start with hanging up paper on the all that is the same size as your picture frames. This way you can experiment with different layouts and see what you like best.
I love the texture and textile differences in this gallery wall. All matching, but not the same
5 Tips for Creating the Perfect Gallery Wall For Your Apartment