To add a picture to your profile, if you do not sign in with Facebook, follow these steps
First enter a username.
After entering a username, you will then get the option to register and password protect your desired name, so it can’t be used by anyone else. If you do not wish to register, then just click the buddy icon as indicated in the image above.
Next you will see a screen like this.
Click where it says change picture and upload a picture from your device. Once complete you will see it displayed on this screen.