Download the following Doutzen Kroes Smile 9186 by clicking the button positioned underneath the "Download Wallpaper" section. Once your download is complete, you can simply set the Doutzen Kroes Smile 9186 as your background.
Following the click of the download button, right click on the Doutzen Kroes Smile 9186 image and select 'save as' to complete your download.