If you build your family tree in Family Tree Builder, please read the following article: How do I replace a photo that appears in a person’s card in the tree in Family Tree Builder?
In order to change the Personal Photo of a person in your online tree follow the steps below:
1. Click on the person to bring up his/her personal details.
2. Click on the Options button and choose Clear Personal Photo.
3. Add a New photo using the +Add option. Browse your computer to find the photo you want to upload and click Save.
4. The photo you’ve just added will now become the person’s new personal photo.