Originally Posted by nakokoro
I'm not sure what you mean by ultra terrible... but if you need to work on a stroke, youtube can be pretty useful (i.e. search "federer forehand") for analyzing footwork, shoulder turn, follow through, etc.
I'd say that the most important advice for you while playing is to try to hit crosscourt, and also hit the balls deep (beyond the service line). You should be able to have long rallies and avoid unforced errors....