[NTG-context] American-style letters with t-letter?

Hi all (but especially Wolfgang Schuster): I'd like to use Wolfgang's t-letter module to set up a very basic American-style letter. I see (by looking into t-letter.tex) that there are at least plans for this to be possible. Is there a little example anywhere of how to get started? (Really, for my purposes, the basic DIN example as given in lm.pdf is pretty good - just wondering what the other possibility looks like.) Thanks David