Step One: Click on your user icon
Step Two: A dropdown will appear. Click on the Profile Settings link
Step Three: Click the Upload Image button
Step Four: You will be able to crop your image size if you need to. Click the Apply button to save.
Step Five: You can edit your image by clicking on the Effects icon
Step Six: You will be given two different effect options - Signature and Classic
Step Seven: Once you have made your changes click the Apply button
Step Eight: Click the Save button to save your changes.
Step Nine: Your profile image will now appear