One of the things I love the most about being a Walmart Mom is surprising people. Where did you get that great throw pillow? Walmart. Where did you find that cool bike? Walmart. Your garden looks amazing, where did you get all your flowers? Walmart. Are you sensing a theme here? My friends and family are constantly surprised at the amazing things I pick up at Walmart. I'm not. I'm just glad I get to spread the word. Last week we hosted a barbecue and served Grilled Fresh Salmon with a Lime …