SEO and online marketing for my website

Dear All,

I have a website i built, it sells erotic and nude photos, the products very good and can stand competition, it's new website, about a month ago.

i'd like to use SEO expertise to maximize the the sale and the visiting, also i would like to submit the website to the main search engines, including the Chinese , Indian, and Japanese search engines.

please advise me on what we can do, and on the cost as well.

i'm interesting of online marketing of my website as well. i would like the marketing to be in many different languages as well.

Many thanks
Alan