This is useful.    This is the url composition settings to draw maps using Maps.Live.Com

i.e

http://maps.live.com/default.aspx?cp=37.814692~-122.477339&style=o&lvl=1&tilt=-90&dir=0&alt=-1000&scene=1140291

Full reference of how to build the query strings is here -

http://help.live.com/help.aspx?mkt=en-us&project=wl_local&querytype=keyword&query=url