corner gallery wall - without the specially made corner frames. Would need to be on a corner that is in an open area; this would be really overbearing in a tight hallway. But in the right space it could look amazing. Very art gallery.
Give framed images a striking effect by hanging them above and below an invisible line. To unify the group, choose a single color for all frames and, if displaying photographs, stick with either all black-and-white or all color shots.