When you try to use photo as wallpaper on home screen, you can't control in photo size? Having problem to fit the your full photo as a background? The picture is zoomed-in and never let you resize to fit the screen?
Resize your wallpaper to fit the full screen of iPhone on iOS 7 with WallpaperSize!!
WallpaperSize allows you to resize, rotate, position any of your photos to fit in the home screen, and saved it as a wallpaper image in specific size!