Air Display v1.1.0
Ever wish you had an extra display for your computer? There's an app for that! With Air Display, you can use your iPad as a wireless display, to extend your computer desktop.
Developed by Avatron Software, home of the popular Air Sharing apps, Air Display lets you position your iPad next to your computer, drag windows onto it, and interact with those windows as you would on any other computer display.
This app is designed for both iPhone and iPad.
How to install
1. You need a Jailbroken iPad or iPhone.
Instructions here : http://www.iphoneheat.com/2010/05/how-to-jailbreak-ipad-os-3-2-with-spirit/
2. Double click .ipa to install on your iTunes.
3. Sync iPad / iPhone
4. Download this program for windows or mac : http://avatron.com/spt/download/
5. Enjoy !