Can somone please explain to me how to change the system-generated initial password and how to/where to upload a profile picture?
To change the password and the profile picture, just click on "My account" found in the left-hand menu. Then at the top of the page, click Edit. You will then see everything you need on that page. Don't forget to click on Submit way at the bottom of the page when you are done. :)
Hope this helps.