This video tutorial is a guide to controlling the recoil of the 2 most important weapons in Counter Strike: the AK47 and the Colt. Although the video was produced using CZ (Condition Zero) and the spray pattern has been changed to be more realistic in CSS, the principles still apply and will help you figure out how to control your spray.
Here is a good video tutorial on how to use your flashbangs effectively in Counter Strike Source. Highly recommended for people who have little experience with this type of nade.