Don't Corner Yourself With Frames
Wall galleries are a trend, but like most trends, there is a right way and a wrong way to follow them. Additionally, every trend has its expiration date. If you want to be cooler than your friends, then you should get ahead of the curve...
Filling In the Gaps
Having a ton of things hanging on your walls might make your space seem much smaller than it actually is. You may be tempted to hang everything that you've ever paid to get framed on the same wall, but using art as an accent is much more powerful than using it as wallpaper. Just remember, simplicity is key when designing a wall. Statements should be suggestions, not demands. If you catch our drift.