using sliders for fingers is definetly a good idea.
create a null for example... pres "p" for properties and add in the Geometry Tab -> Add Custom Object list... -> Sliders.
than choose the channels u want to see on the sliders and select min max values.
lol... LW is really easy to learn... im an LW newbie!
))
good luck,
v.
p.s.
could u show some animation?
p.s.2
have ya recorded ur rest positions? u created skelegons first?