so maybe put the files in /ligs/mf and have the search path set up as
I kind of like that, but on the other hand, they're not actual .mf input
files. Hmm. I guess maybe afm2pl is best.
ligs// (as thomas suggested)
Yes.
confusing and prefer things like
texmf/fonts/ligs/generic/whatever.lig
texmf/fonts/ligs/xyx/another.lig
Yes.