To replace the standard "Mystery Man" avatar that all users have, you will need to create a free account with Gravatar and upload your photo there. To do so, follow these steps:

1. Go to https://en.gravatar.com/ and click 'Create your Gravatar'
2. Enter your Mountain City Church or ACS email associated with your Mountain City Support Center account, a username and a password you'll remember
   
3. Follow the steps to verify your account using the email sent to your Inbox
4. Clicking the verification link, on the screen that appears, In the upper right hand corner, click the blank profile picture
   
5. In the circle, click on 'Click to change photo'
   
6. Follow the steps on the screen to upload a photo of yourself then use the on-screen editing tools to get it looking just right
7. Make sure you save your masterpiece!

And that's it. Once you've done this, it may take a few minutes, but the Mountain City Support System will associate your new profile picture with the account you just created using the same email.

Note: If you already have a Gravatar account, you can simply add an email address to your current account. To do this, log in at https://en.gravatar.com then, using the menu that appears when you hover over your current profile picture in the upper right-hand corner, click on the option 'Add email address' and follow those steps. Once saved, it may take a few minutes for the Mountain City Support Center to recognize your new photo.