This here
http://users.telenet.be/elvo/
I found was a great setup guide that explains the mechanics and over all do's and donts of setups.
If you read through that and then look for the setup info for your car on here or on other forums such as petitrc then you should be able to get the 2 together and build up a good understanding of what adjustments you need to make to get the car going how you feel comfortable with.
but always remember that at the begining you should only make small adjustments and always write down what you have changed so that you can refer back to it and see if it made the car handle better or worse.
and dont be afraid to ask the people at your local track for advice, the other racers are generally always happy to help and guide new guys