Rather than just snapping drunken shenanigans with pals, some Instagram users are creating mind-blowing pics with just a few taps on their iPhone. Want to know how some of the most popular users do it? We scoured Instagram's interview series and found eight easy expert tips you can use the next time you fire up the app. Check them out — along with their fantastic photos — and get ready to take your Instagram feed to the next level. It's the perfect way to celebrate World Photography Day (today!).