Here is a list of some nice themes for Windows Mobile Pocket PC's

1. Vista theme suite: This is a Windows Vista based theme that will give your Pocket PC the look and feel of Windows Vista. Find out more and download it free here

2. FreeStylWM: Convert the Today screen on your Windows Pocket PC into iPhone like screen. Find out more and download it free here

3. iFonz v0.9.9: Give your Windows Pocket PC an iPhone like look and feel. Find out more and download it free here

4. HTC Diamond theme: Convert the Today screen on your Windows Pocket PC into HTC Touch Diamond like screen. Find out more and download it free here

5. Windows Mobile 7 theme: Convert the Today screen on your Windows Pocket PC into Windows Mobile 7 like screen. Find out more and download it free here

Download more free themes here