You've got a 1,000,000,000 question!
Depending on where you want to "advertise" will determine the type of
ad you want to utilize.
A good place to start (more reading) is by picking up Victor O.
Schwab's How to write a good advertisement. ($20.00)
Wishing you much success!
Sincerely,
Paula Sylvester
www.netsenseonline.com
With a little bit of netsense … you'll never get burned!