Paint these on the glasses. Just try not to use a color that will clash with that of the wine. Your wine glasses will have a lovely makeover. Instead of wine glasses, you can try a similar experiment as one of many martini glass painting ideas too.
Try any of these, or some classic mosaic patterns on your windows. They'll look fabulous, especially, with the sun's rays filtering through the designs. Use the appropriate colors to enhance the beauty of this ancient art, that has been brought down through the ages.