To add a new photo on your own profile, please follow the steps outlined below.
Click the Family dropdown tab, choose "Photos"
Click on "Add Photos"
Determine which of the 2 uploaders you wish to use:
Simple Photo Uploader: You can use this to upload multiple photos
Picasa Desktop: Upload from your Picasa desktop
Use the 'Browse' to select the photo you want by clicking on it
Click 'Open' which will enable you to upload the chosen photo
"Enter new album name"/"select existing album"
Click on "Upload Photos"
You may add a caption
"Save Your Changes"
Once the new photo has been uploaded, you may select 'Make My Profile Photo' and you are finished.
You may also upload a profile photo by first navigating to the profile page of the person you would like to upload a photo for. Hover your mouse over the picture, an Edit icon will appear at the top right corner. Click on it to reveal the following options:
Upload a new photo
Choose from photos of "X"
View full size
Remove this profile photo
Select either "Upload a new photo" or "Choose from photos of 'X'" to upload a new profile photo.