I think one of THE best ways to get more backers is through Youtube, how much are you exactly lobbying to get in all of their future vids? They will probably want gameplay on their hands before having something real to talk about in their vids so maybe giving them some would be a good idea? If any help is needed in contacting(or forcing) them I(and so many more people in here) would be happy to help, just give the command and a strategy!