The idea here is to have a place where template makers can display their creations.
It is imagined that a download link to a zip file would also be provided, perhaps with a note about how to use the template. (And/or a small text file inside the zip.)
One limitation is the disappointingly small size of graphic this wiki can apparently accomodate. This seems to be about the maximum width.
Click to enlarge
Something like this:
A first example