With 5 or 6 people who are trying to achieve an effect, I usually
double the recipe.
1 Bottle of wine (750ml)
1 Cup orange juice
1/2 Cup granulated sugar (to taste)
Juice of 1/2 lime
Brandy to taste (too much makes it taste
        of brandy) - we're talking jiggers
Fresh orange pieces mashed in the mixture
6 ounces of a sparkling water added just
        before serving.  Alternatively, a
        dry sparkling wine also works nicely
        and also keeps the alcohol concentration
        from being reduced.  The texture is also
        a little different because the bubbles
        are smaller
Orange slices as garnish
Maraschino cherries (with stems :-)
        also for garnish and contests
Serve over ice.