1.  To prepare peach filling, combine peaches and sugar in pot and bring to a boil. Mix gelatin and water, add to pot, and bring to a boil again. Cool. 

2.  To prepare cake, preheat oven to 350F. Cream butter and sugars in large bowl. Add vanilla and eggs and beat well. Add flour, baking soda, baking powder and salt alternately with buttermilk and oil, beating well between each addition. Fold in peaches. Pour batter evenly into three 9-inch greased cake pans. Bake 20 minutes or until knife inserted in center comes out clean.  

3.  To prepare crumble, combine all ingredients in small bowl until mixture looks like coarse meal. Place on baking sheet and bake 10 minutes. Remove from oven and immediately run a fork through it to break into pieces.

4.  To prepare Icing, beat butter until light and fluffy.  Add sugar and vanilla and beat until creamy.  

5.  To assemble, place one layer of cake on plate or cake stand. Top with layer of peach filling followed by layer of icing. Repeat. Top with fresh peaches and crumble.