And so how to get free iPhone Theme? You can get it there www.freeiphonetheme.org

How to authorize downloaded iPhone Theme into your device ?
First get winterboard. Then load the theme, then you need to upload the theme into your device.Winterboard theme located in /Library/Themes and usually at the end of folder got extension ".theme". Inside the folder got the theme directory structure and .png icon and plist files.

You also can fabricate your own iPhone theme by working couple programs and to make graphic you can use Adobe Photoshop or GIMP

What Winterboard can alter?

1. Icon
2. Font
3. Color
4. Lockscreen
5. Theme
6. Slide
7. Keyboard Layout Theme
8. Safari Look
9. Volume Slider
10. Youtube/Video Player Look
11. Startup and Standby Sound

So how to transform iPhone or iPod Touch Theme ? First you need :

First jailbreak your iPod Touch or iPhone. Then prepare Winterboard (You can get Winterboard from Cydia.Next, find for themes in Cydia. Instance (Resident Evil Theme, Call Of Duty yada yada).Click on Install.Go to home menu.Click Winterboard.Enable the theme. Tick on desired themes.Next that your device will completely black out and after that the theme will be enabled. Use your theme.

Fore more free iPhone theme, visit Free iPhone Theme