Step One: Start by logging in to Facebook using the email address you registered with. Step Two: Follow the "My Groups" link. You can browse through your current groups or look for new ones to join from this page. Step Three: Click the "Create a Group"' button if you do not see any groups you want to join. You can create a group for just about anything (see the Facebook Terms of Service for limitations). Step Five: Upload a photo that represents your group. The file size limit is 4MB.