Dave...have you looked at BlackFin? They have a pixel compositor feature that might be what your looking for. Talk to your ADI rep of FAE about it, see if it fits. --------------------------------- Looking for a deal? Find great prices on flights and hotels with Yahoo! FareChase. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist