Go to themes and colors, choose a theme and under the theme it will say "Background image" you just upload a file from there and press save. If you can't see your background then you can fiddle around with the transparency as much as you like.
I do! It's awesome.
Administration - Extensions - Upload Extension Select yourtemplate.zip It should install on its own.
War. War never changes.
You can listen to her Theme Song on: youtube
Youtube
The fallout series
Hi! If you are wanting the Mario theme song, youtube should have it! :)
Youtube
To change your background colour, and to upload a custom background, go into your channel and there is a bar at the top. If you click the 'themes and colours' bar you can then click 'new theme to create your own background.
You need to have an xbox live account. Go to the live marketplace and search the games area. Find fallout 3, and there will be a menu with all the addons you can purchase.
at youtube