There's some good info from the FTrs above. If you are in the US and still need help, there's a great visa service, http://www.visahq.com that I wholeheartedly recommend.
Received my wife's passport with a Thai visa on it with no surprises, no phone calls, no hick ups, no extra charges just six emails informing me of every step of the progress.^

I have no interest or gain by recommending that site, just elated by their service.