While you are viewing iLikeWallpaper on computer or mac, there are different ways to download and tranfer images to your iPhone/iPad, the easiest and the quickest way is by using the QR Code on the page, here is the instruction.
RedLaser Barcode Scanner and QR Code Reader is a mobile QR Code reader app that allows you to automatically scan QR Code from your iPhone/iPad/iPad Touch. You can download from itunes for free.
Select any wallpaper you like on iLikeWallpaper.
Next, you can set the image as your iPhone/iPad wallpaper. If you don’t know how to set a wallpaper, please click here