Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
Found this under tips and techiques:
How do I change my avatar?
Click on your name in the top right hand corner. This opens your profile page.
Click on the box for the avatar.
Click browse.
Choose the file you want and click ok.
You can adjust it in the preview box a bit if you want.
Hit the red okay button.