An electronic device and a method of operation thereof for facilitating the provision of an image as a background wallpaper of a user interface for display on a display of an electronic device, the device being configured to display the user interface and wallpaper in first and second different orientations during use, comprising: generating, based on the image, a first thumbnail representation of the appearance of the display having the image as the background wallpaper in a first orientation; generating, based on the image, a second thumbnail representation of the appearance of the display having the image as the background wallpaper in a second orientation; and simultaneously displaying on the display the first and second thumbnails.