How to add images as your phone's wallpaper:

On an iPhone:

• Tap and hold down on the photo
• A menu will slide up - tap "Save Image"
• The photo will be saved to your Camera Roll
• Tap the Photos app
• Tap Camera Roll
• Tap a photo of your choice
• Tap the square with the arrow jumping out of it in the lower left side of the screen
• Tap the Use As Wallpaper menu option
• Use your thumb and index finger to pinch or stretch the image to fit appropriately
• Tap Set Wallpaper

On a Blackberry:

• Hold your finger on the image
• Select save image from following menu
• Image will be saved to Downloads Folder.
• Tap on downloads,
• Tap on the wallpaper or pic you want
• Swipe down the dropdown menu
• Tap use as wallpaper.