Head to the Settings area of your account to set the ownership for your content. http://my.blogtalkradio.com/user/settings.aspx
You can get to your Settings by going to the drop-down menu at the upper right of your screen.
From there, look below the Profile tab to locate the Authorship/Contact Info section. The fields here are locked for security. To unlock the fields, hover your mouse directly to the left side of the text box and you’ll see a gray gear button. Click the gray gear button to unlock the text field and enter your information. Don’t forget to click the Save Settings button at the bottom of the page to save your changes.