The functionality you speak of is not exposed in the software. It was requested of Philips during the beta test that a SDK be offered just for this purpose. No word at this time on what may happen on that front. That being said however, Lyndel with his programming background has already been able to successfully manipulate the Escient Music Server device to communicate with his home-brew media server as if it were an Escient Fireball serving up jacket pictures and everything. To get the full skinny check out Lyndels reply in another post
here.