How to go for Pay per click advertising?

[seo dreamer]

How to select keywords for pay per click advertising and what is the criteria in Google?
My site is related to providing web design and development services outsourced from India and URL is http://www.tisindia.com What keywords should I use?

[mrwsm]

Yahoo pay per click ads allow you to enter your keywords, then click find more and they do a great job finding the most high traffic keywords. Another great website promotion that is totally free is
http://www.free1000000clicks.com/?mrwsm

[john m]

Heres the link for the google keyword tool https://adwords.google.com/select/KeywordToolExternal
you enter one keyword and it shows a list of other highly searched related keywords ... The criteria i can think of is the highest bidder gets the highest up spots. But i think what you really need is the keyword estimator tool https://adwords.google.com/select/TrafficEstimatorSandbox wich shows estimated traffic and costs to place adwords.