Updating your profile image is simple and can be done in a few steps:
Step 1:
Login to your account on Source. Instructions here on how to sign up if you don't yet have an account, or simply head here to get started.
Step 2:
Click on your name. It is in the top right corner of your screen.
Step 3:
From the dropdown select "Profile".
Step 4:
Click the "Upload Profile Image" Button
Step 5:
Select the photo that you would like to upload. Preferred dimensions are 300x300px.
Step 6:
That's it, you did it! π