The cool thing of iPhone jailbreak is that you can customize your iPhone look using WinterBoard including, icons, lock screen, wallpaper and layout. There are plenty of free WinterBoard themes you can install from Cydia installer and below are the top 6 themes I always switch them around.
Top 6 WinterBoard Themes:
1. Michael Jackson
2. Final Fantasy IV
3. Ferrari F430
4. Windows 7 Mobile
5. KillerWebCarbon
6. Chromium iPhone
Click here to check how you can install additional themes through Cydia installer.
