I don't understand what you are looking for here. NT integrates with the MBT desktop similarly to how it works with TWS. You just need to pay for the broker access, or if using multiple brokers like I do, then upgrade to multi-broker license. Try a demo using MBT access on a different machine than your current trading rig: http://www.ninjatrader.com/download-registration.php
NinjaTrader supports the following for FX trading: - Interactive Brokers - MB Trading - GAIN Capital (and any of their introducing brokers) - FXCM (currently available in beta and available through any of their introducing brokers0