Place chicken in a 5-qt. slow cooker; sprinkle with salt and pepper.
Drain peaches, reserving 1/2 cup juice; set peaches aside.
In a small bowl, combine the broth, butter, onion, curry, garlic, ginger and reserved juice; pour over chicken.
Cover and cook on low for 3-4 hours or until chicken juices run clear.
Remove chicken to a serving platter; keep warm.
Mix cornstarch and water until smooth; stir into cooking juices. Add raisins. Cover and cook on high for 10-15 minutes or until gravy is thickened. Stir in peaches; heat through. Serve with chicken. Garnish with coconut if desired.