1.   Simply pick the desktop background of your choice and click the ( Download) button.

                                            2.   A window will open where you should choose 'save the file to your desktop'. 

                                            3.   Double click the file to unzip it where you will find the following screen sizes: 
                                                  1024x768, 1280x1024, 1440x900 & 1680x1050. 

                                            4.   Choose the size that corresponds to your computer screen and right click to set it
                                                  as your desktop background!  Viola!