Microwave cream cheese 20-30 seconds to soften. Mix first 3 ingredients together. Spread on serving plate. Spread salsa on first layer. Chop onions, tomatoes. Cook bacon until crisp, then chop into small pieces. Sprinkle green onions on top of salsa, then chopped tomato, followed by bacon bits, and then finish with shredded cheese. Serve with round tacos.