3 Easy Steps to upload a Pinterest profile image:
Step #1: Navigate to Settings by clicking the little upside down triangle (arrow-like) icon to the right of your name in the upper right hand corner of your Pinterest Profile.
Step #2: In the Settings Dashboard, Scoll down the page until you see the IMAGE. Click the Upload and Image Button, and browse for the file from your computer and click “Choose File”
Step #3: Click Save to Save your profile