I've actually made some progress on the No Gnus t-shirt.  I was going to
do it last year, but it kinda sorta makes more sense to have it coincide
with the Emacs 24 release, since that has the released version of No
Gnus.

Anyway, the two bits I want to have on the front of the shirt is a
lightning printed in silver ink, and the Gnus logo in a different
colour: