Thanks,
That's a jpeg made by novocaine. I just used it here. It can be replaced with anything.

My opinion is that for start it should be decided about the official logo, then this kind of official banner (fonts, colors, effects), maybe a coin design... After that I'll put it again in the same template and render the new one. This one has some rough edges too, because I just used jpeg and made this in few minutes. For official thing I'll use the original psd or whatever file.

I guess I can also invite all the people to suggest designs, corrections, maybe give examples that we can follow in making our own.