Usual rules apply -- we can't independently confirm this at the moment -- but a tipster has sent us what appears to be T-Mobile training materials for an upcoming Motoblur-infused candybar smartphone, the Motorola Charm. Only this Motoblur is allegedly powered by Android 2.1 and boasts the same scalable widgets as we saw on Droid X, in addition to improved Facebook / Twitter integration (hello, Like and Retweet) and the usual Eclair refinements.As far as the hardware is concerned, there isn't much to glean from it at