Springdial let’s you set the people you call the most directly on your desktop.
If your contact has a picture, springdial adds a picture of that person to your springboard so you don’t have to go into your contacts every time you need to call them.
It’s actually a very nice speeddial function.

Personally it think this is one of the most handy utilities for the iPhone.

Let’s proceed to the how to.
» SpringDial 0.9994 (add your favorite people to your springboard)