Your JustGiving profile picture will show alongside all donations you make, unless the donation is anonymous.
You can add, change or remove this image by logging into your account, clicking your name and "Profile" in the top right hand corner. From here you can click on the image and you will see the following:
There is the option to upload a picture from your device, use your Facebook profile picture, or remove the image completely.
Please note: If you use your Facebook photo, you will connect your JustGiving account to your Facebook account