Re: enlarging the header along with the page, unfortunately the images used to make the header have limits to them and it wouldn't really work.
Re: graphic packs, It's not something that I'm going to be making. I'm sure if you really want to you can make your own custom CSS file for your browser to run for this site that changes the images.
Re: the spam forum, I think I'm going to make it so that it wipes like once a month or something. It's getting a bit big really.
How about the old skin as an option then: Note: It should be arranged the same way as this one does