Little Big Planet continues to flex it’s massive Sackboy muscles as another huge company jumps on the bandwagon express. In the above videos you will notice that Walmart has caught on to the Little Big Planet express. Amazon.com also has a LBP trailer check it out here. With these large retailers backing this PS3 exclusive it is undeniable that Little Big Planet will make a huge splash with its release.Sackboy PS3 Platform pusher? Check…