Vista - How do I specify what resolution I want a game to run in?

I think this is the right place to ask this... since someone here might know!

using the short-cut target line in XP I could set games to run in window or at a different resolution. How do I do this in Vista?

More Specifically I want to run Atlantica Online in smaller res than 1024x768 so I can leave I running in the background but still keep an eye on it while i surf the net (a small resolution like 640x480 would be ideal). I tried editing the target line with no success. Any ideas?

If the above is impossible are there any third party programs that would allow me to resize the window how I want? Or allow me to divide my screen into multiple screens/desktops?

ty in advance for any light on the subject.

in the game's setup for video.

Yep. From what I can find regaring that game it should have the option in the in-game settings.

Sorry I must not have made myself clear, the smallest option in the video setting is 1024x768. But I want to make it smaller than this.

editing a config / settings file in the game directory?

Is there a setting to run it in a window?

I have the GeForce 9600GT XLR8 OC card and want to know what resoskutions you games run your games at

I put it up to max. Better res. better graphics. Just try all the different settings and see what is best for your eye.

SIR VORTEX USA