47+ Sky Blue Background Ppt Pictures. Abstract green background, pattern design, powerpoint templates, strape, green, pattern, wall, lines, background, mint, pale, pastel, easter, paper, website, wallpaper, page, soft, baby, tile download widescreen(16:9) : Mesmerize the presentations with blue, light blue, dark blue, simple blue clouds and white light in sky powerpoint template is a nice powerpoint design with a bird image and sky background that has consisted of from a frame.