Hah , interesting
I am also a hand drummer, although my main instrument is geetar. Has been mainly african tribal rhythms over the years but also venturing into congas etc. My studio room is rather overrun with djembes, asongas, cajones .....................etc,etc.
I have used hand drumming in my main stream, guitar orientated rock but previously was working on a sort of Scottish/rock/african type of project. Really need to get my finger out and get back into recording again, especially as I have a synth now.
Will check your stuff out tonight.
All the best.
PS Check out "Sultan" on Pete Namlook's FAX label, also one of his "silence" albums has ambient with hand drums, either silence III or IV.