John's Background Switcher is a simple tool used to change the wallpaper of your desktop from time to time using different renowned online source. This type of application is interesting for users who have lots of pictures considered Favorite and want to put them all on the desktop. Thus, the Desktop can constantly get a new look with custom images and amazing. The difference is that using the application you can add weekly best images from Flickr, Picasa and others along with photos saved on your computer. You can set timer to change images. This time can vary from a few hours to several days, everything will depend on the configuration that you do. After running the program, an icon appears in the bar of your PC system. Right-click on it and choose "Settings". This will cause the window and configuration options of the program is opened.
The Current mode tab displays the options that you can find and choose your photos. E.g. from Pictures, you will be able add the images saved on your computer, Folders allows you to upload an entire folder of images, Flickr makes the images of the top daily, weekly or monthly images on your desktop - and this feature apply to other online services (like Picasa, Yahoo etc). Regardless of the mode selected, you must click the "Add" to add the image files. Set the time interval for which the wallpaper is changed, and choose a color for the edges of the image.
John's Background Switcher is a useful tool indeed to automatically change desktop wallpaper from most viewed images from different online sources like Picasa, Flicker etc. It works on Windows 7, Windows XP, Windows Vista as well as Windows 8 Consumer Preview.