Try doing a very light blue shape where the glass is. Then drop the transparency real low. Then use the bezier tool to create another shape that is white. That will be the glare. The glare only takes up part of the window. Then for extra effort bring in a photo of a living room or something and place it over the light blue shape. Drop the opacity really low. That creates a reflection on the glass. Hope this helps and best of luck.
Stephen Smith
Utah Video Productions
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