Cranberry-Cherry Jell-O Salad

1 package cranberries, ground
4 packages cherry jell-o
1 cup crushed pineapple
1 cup mandarin oranges
2 cups sugar
1/2 cup walnuts, chopped

Prepare jell-o according to package directions. Add the sugar, fruit and nuts to jello and refrigerate until it begins to jell. Then mix and pour into mold. Refrigerate until jelled.