Hi Sharon. It's good to have you on the site! The Getting Started and Introduce yourself section in the Forum also has instructions on adding your picture.
If you go to "Groups" in the menu bar, you can join a group or discussion, or start your own group or discussion. Also, it would be great to have you invite friends (see "Invite" in menu bar). The groups are a great way to share ideas, solicit help, and share resources.
A couple of intro things. Click on the "Forum" tab in the menu bar above and go to "Introduce Yourself" for instructions on introducing yourself to the missional community, including creating an "about me" page and updating your profile.