I have finaly done my projects, you can save them and download and set as background at your computer i realy donwt mind...
check them out:
Audi R8 wallpaper - http://nikita144.deviantart.com/art/Audi-R8-wallpaper-107359738
Bugatti Veyron Grand sport wallpaper - http://nikita144.deviantart.com/art/Bugatti-Veyron-wallpaper-107359913
Lamborghini Gallardo Wallpaper - http://nikita144.deviantart.com/art/Lamborghini-Gallardo-Wallpaper-107360073
Lamborghini Gallardo LP640 Wallpaper - http://nikita144.deviantart.com/art/Lamborghini-Gallardo-LP640-107360214
Lamborghini Reventon Wallpaper - http://nikita144.deviantart.com/art/Lamborghini-Revent