Users that donate to Gamecock Central receive an at the end of their username. Any amount is appreciated. For one year after the donation is received.
Some people donate monthly and quarterly.
The one year time period starts again after each donation. Advertising rates have fallen dramatically since the Spring of 2000. If you're not a member, take a second and sign up. If you're already a user of the service, just sign in and submit your donation. Or you can use the old-fashioned method of sending a check or money order.