In a small bowl, dissolve gelatin in boiling water. Stir in cold water. Pour half of gelatin mixture into a small bow; refrigerate for 1 hour or until slightly thickened. Let remaining gelatin stand at room temperature.
Place half of cake cubes in a trifle bowl. In a small bowl, combine mashed strawberries and sugar; spoon half over the cake.
Drain pineapple, reserving 1/4 c. juice. Cut pineapple chunks in half; arrange half over mashed strawberries. Toss banana slices with reserved pineapple juice; arrange half of slices over pineapple. Top with 1 c. sliced strawberries. Spoon refrigerated gelatin over fruit. Refrigerate trifle and remaining gelatin mixture for 20 minutes.
In a small bowl, whisk milk and pudding mix for 2 minutes. Let stand for 2 minutes or until soft-set. Spread half of pudding over trifle. Repeat all layers. Top with whipped topping. Cover and refrigerate. Just before serving , sprinkle with almonds.