How to Install/Uninstall applications
To install: 3rd party applications one must have the Installer.app installed onto your iPod Touch. To start, tap the Installer icon and locate the file "Community Sources". This will allow a larger list of available applications.
To uninstall: simply tap the Installer.app and go to "Uninstall", locate the application you wish to uninstall, tap it and tap "Uninstall" in the top right hand corner.