Not that I was expecting to find anything, but I recently tried to find some cool banjo themed t-shirts online..(They all seem to be about bluegrass... so no thanks).
I thought though that it would be cool to find a good graphic artist that could design some nifty classic banjo themed t-shirts.
I'm sure that somebody could come up with something very cool with keywords such as "Mister Jollyboy", Banjo Vamp(ire?), Sunflower Dance or Banjoland..
Perhaps funds could help raise money for this site. just throwing this idea out into the universe.