I was asked by my bestie Amanda if I can convert this widget to work on the lock screen. So here you go.
For use with winterboard.
(Place in var/stash/themes. Replace with your own photo and rename it to Photo.png. after deleting the one in there first. To replace wallpaper do the same but name it Layer1.png. Then respring. You will find your images in var/mobile/media/DCIM/100apple. Copy and past image you want to theme folder.)