In a large bowl, combine peaches, blueberries, honey, thyme and lemon juice; set aside.
Preheat oven to 350 degrees F. Line a baking sheet with parchment paper.
Place baguette slices onto prepared baking sheet. Drizzle with 2 tablespoons olive oil. Place into oven and bake for 6-8 minutes, or until golden brown.
Add crottin to each baguette slice. Place into oven and bake until melted, about 3-4 minutes.
Top each baguette slice with blueberry-peach mixture.