WMV settings

[alind]

I'm using MediaStudio Pro with SP3. I'd like to use "create video" to output a relatively high resolution wmv file (720x480, 1.5-2 Mps; why? because wmv is the only format I can get to play reliably within PowerPoint shows). When I go to the menu for creating the video, I can't see how to set the screen resolution. There are several low resolution options in the custom menu and several very high resolution templates, but nothing in between. Is there a way to do this? Thanks in advance.