Goto http://icustom.tooliphone.net And follow instructions there. You can install custom icons for all your apps easily. No jailbreak required.
Click on start now >
Choose application icon you want to create. And choose image from camera roll or web. >
Click on let's go >
And you will reach this page follow directions to create a home screen short cut. >
- 1 internet connection
- Custom pictures for icons apps etc