In the "blog profile" section, you need to provide the following information:
First Name
Last Name
Email Address: for visitors who may want to email you.
Website URL: for visitors who may want to visit your main website.
Upload an avatar: an avatar is a picture that is displayed beside your posts. Personal avatars are usually a picture of one's self, or some other image, logo or symbol. Use the "browse" button to locate a picture on your computer that you wish to upload as your avatar. You are not required to upload an avatar.
Remember to click "apply" to save any changes you have made.