Article writers are needed for quality content

Hello.I need 150 articles. I am looking for a writers that can write 500-550 word articles pretty [login to view URL] must be unique and written in proper [login to view URL] must pass [login to view URL]'t matter where you are from as long as you can produce unique content and produce it on time. It's important that I know exact completion [login to view URL] articles should be written around certain key words that I will provide. It's a big plus if you are familliar with wordpress.