Tender Steak Kebab Skewers with Peach Salsa

Name: Tender Steak Kebab Skewers with Peach Salsa
Ingredients: 1/4 cup olive oil; Juice of half a lime; 1 tablespoon soy sauce; 1/4 cup cilantro (chopped); 1 teaspoon garlic salt; 1/2 teaspoon paprika; 1/2 teaspoon ground pepper; 1/4 teaspoon cumin; 1 1/2 lbs beef sirloin tips (cut into 1-inch cubes); 1/2 red onion (slice in 1-inch cubes); 2 peaches (chopped); 1 tomato (chopped); 1 orange bell pepper (chopped); 2-3 tablespoons cilantro (chopped); Juice of one lime; 2 tablespoons agave nectar; Salt to taste