Strawberry Lemonade Slush

3 c. water
1 c. sugar
1 pkg. (16oz.) frozen sweetened strawberries
1 can (12 oz.)frozen pink lemonade concentrate
1 c. water
2 bags green tea
1 c. vodka or rum, if desired
2 qt's. carbonated lemon-lime beverage or gingerale

Combine 3 cups water and sugar in bowl. Microwave on high, uncovered, for 9-10 min. or until boiling. Stir once or twice. Stir in frozen strawberries and lemonade. Set aside. Microwave water on high for 2-3 min. or until boiling. Add green tea and allow to steep until cool. Add cooled tea and vodka to strawberry mixture. Freeze until slushy, stirring every 3-4 hours. To serve, fill glasses with equal parts slush and carbonated beverage or gingerale.