RE: cant hover with g2 sim
Try and give just enough throttle to get it light on the skids then try giving a few clicks of right aileron trim. Set it down and get it light again. If it still moves, give some more trim. As mentioned above. Fly it like you would the real thing.
Also, it you have the Jetranger (might be in an add-on pack) try that one. Seems to fly the easiest of all. Hope this helps