as far as I know you cannot copy a background by just selecting with a mouse, you have to right-click the background image and save it to your computer.

As for the link above about the display of your web-page, as previously mentioned, you have broken links,
  • either you uploaded the image to the wrong place on the server
  • or you forgot to upload the images to the server and only uploaded the HTML file


The best way to do this is to work on an HTML file and an "Image" folder where you save all your images into. then upload both the "file.html" and the "Images" folder to the web and that should display right. Now remember "file.html" and "Images" folder should have the same relation on the server as on your computer.

For example, if "file.html" and Images are in the same folder, then keep it the same way on the server, don't put "file.html" in one folder and "Images" in another folder or a sub folder.

I hope that helps