First you need to open your browser and search for the Straight Talk website. Click on "Activate" and follow the instructions given that will lead to the option of creating an account which you need to then enter all details in the fields given. Read more at http://www.ehow.com/how_8636341_create-straight-talk-account.html.
Please be more specific. Are you wanting to get a straighttalk phone or try to get a website to send information to your phone? A lot of sites like ringtone sites won't send to straighttalk because straighttalk is tracphone. I have 3 straight talk phones. I can help you out, but I need more info.