So you're all setup with Untappd and you want to personalize it a bit with a profile picture - it's easy!
- On your profile page select the "pencil" icon next to your profile picture
- Select the "Profile Picture" to bring up the options menu
- Add your photo from the applicable source
- From the home page hover over your profile picture
- Select "Account Settings" from the drop down list
- Select the "Change Photo" to bring up the file explorer
- Upload your picture