How to set your gamer picture as a picture, not your avatar, on xbox live?

when I go to change it, it only gives me my avatar pictures, how can I do this?How to set your gamer picture as a picture, not your avatar, on xbox live?From the dashboard

Guide Button%26gt;Right to settings%26gt;Profile%26gt;Edit Profile%26gt;Gamer Picture%26gt;Change Gamer PictureHow to set your gamer picture as a picture, not your avatar, on xbox live?go to your system settings. go to memory. go to gamer pictures. pick gamer picture. done =]How to set your gamer picture as a picture, not your avatar, on xbox live?you can use pics you've download from the market place or from the xbox live vision cam but that's it.