Gallery walls are really popular and because of it we hear often people asking 'how do I create my own gallery wall?' Well, here is the good news. There is NO RULES and in actual fact the BEST GALLERY WALLS are whatever you want them to be. Sure you might benefit from a little bit of balance but otherwise just go with your gut, don't be too uniform and make it your own.
This example has so many different elements, shapes, sizes, mount types etc but importantly its authentic. Just be authentic.