My roommates and I are selling the projector we've been using to play xbox and watch movies. It's this guy, right here: http://www.projectorcentral.com/Acer-XD1250P.htm
Comes with a carrying case and strap. Power cord included, but the remote pictured in the link above is long gone. Works like the day we got it - the bulb is years away from needing replacement.

You can project directly onto a wall, but if you have spackle or any kind of coloration, it helps to have a screen - we can include the large piece of showerboard (poor man's whiteboard) we've been using. Also if you have any specific A/V cable needs we might be able to throw in a useful connector or converter.