Combine all ingredients in a slow cooker. Put setting on HIGH for 1 hour. Reduce to warm to hold temperature. Ladle into glasses from slow cooker. Be sure to include some fruit in the glasses. Garnish with orange peel.
Combine the sugar, water and zest in a saucepan. Bring to a boil, reduce to a simmer. Stirring occasionally, simmer for 5 minutes or until sugar is dissolved.