Speed Dial Your Home is a useful app that will let you dial your home phone number with ONLY one simple tap on the app icon (iOS firmware 4.0+)!
Just select the phone number, a picture and then enable it with the switch.
Once the app will be reopened, it will dial the number automatically, after showing the picture and the number.
✔ Select a picture from the camera or the photo library
✔ Remove a picture by touching the picture and dragging it outside the picture area
✔ Select a number from your contacts
✔ Enable the app to dial the number with a simple switch
✔ Go to Settings > Home to disable the app dialing to be able to reenter the app and change picture or the number