Pimm's Cup via Liquor.com

Source of pic: Bon Appetit

Recipe
2 oz Pimm's No. 1
3 oz Sprite, 7UP or ginger ale
1 or 2 Cucumber slices
1 Strawberry, hulled and cut into quarters
Half an orange slice
1 Lemon slice
6 Mint leaves
Glass: Highball