Steps for usage:
Step 1: Set up your favorite photos in the "IPhotoWall" app
Step 2: Add the "IPhotoWall" widget to the notification center widget of the system

Features:
* browse photos in the notification center page in the way of "small picture photo wall" (more than 10 selected photos can be added to the photo frame on the photo wall)
* view photos in "big picture automatic switch" mode (you can add 3 photos of your choice)
* photos will be automatically played and moved when browsing, for a better and cooler browsing experience
* when setting IPhotoWall photos, you can scale and crop photos to fit into the frame
* the lock screen can be browser whenever you want