For the fruits, I used peaches and shiro plums from the farmers market, sprinkled with the last remaining blueberries from a huge Trader Joe's pack. The TJ blueberries weren't that great, but they did make up for it a bit in quantity, and cooked they just melted right into the plums and were great.
This was an easy cake to eat, a breakfast lunch and dinner cake, although Matt didn't seem that interested in helping me to eat it, so after a day or two on the counter I found the last quarter moldy.