Question: how to change your snapchat picture?
Answer: Open Snapchat.
Swipe down from the middle of the Snapchat screen. Doing so will reveal your profile information.
Tap on your profile ghost. It's the yellow square with the ghost icon in it.
Tap the circular photo button. Snapchat will take a series of five photos and combine them into a moving image. ... 
Tap <.