Pour ginger ale and vodka into a blender. Add peaches and ice. Cover and blend until mixture is smooth and no chunks remain. If mixture is too thick or difficult to blend, add an additional 2 ounces of ginger ale.
Pour into highball glasses and serve immediately.
Notes
Sweetness: If peaches are frozen out of season, they may not be sweet enough on their own. As needed, add a splash of simple syrup to mixture while blending.
Liquor substitution: Vodka can be substituted with rum.
Base substitution: Ginger ale can be substituted with ginger beer for a stronger ginger flavor.
To make non-alcoholic: Replace vodka with additional ginger ale.