You can post a signature. If you go to the top of of the page you will see the my account button. Click that and look on the right for a long list of options. hit change/edit signature. after that it will give you a box like your trying to type a post or something. Click the little picture with the landscape and type the URL of the picture you want and hit okay. then submit your signature and save changes. that is about it. If you need any help add me on steam =(e)=™ R3D S3RPENT55 Okay?
~R3D