Hey n0vi, I'm gonna PM you about starting the banner company. Oh and, I think he already sold b2g.
To x3knet: Just practice, practice, and practice. Develop a technique for yourself. If you have a hard time starting out, read up on some internet tutorials or like robson said, just copy. Copy from other people's portfolio and try and get all the details that they have. This will teach you how to apply that into your own design.
Good luck