The Twibbon website has a number of user-submitted causes, each with its own miniature logo. Twibbon lets you pick your cause and overlay its accompanying design over your Twitter profile image.
Check out some other social networking tools to brand yourself below.
Implications - Within the last two to three years, social media has grown to represent the most important and influential medium of communication for individuals. Businesses that offer social media tools through which individuals can express their personal hobbies or interests will likely generate massive profits.