Do the Loup-Garou change into a Classic wolf, a Skinwalker truly dread wolf, or a Cursed hybrid, or are you undecided? (If undecided, I recommend the Cursed hybrid).

I like 'em all, though I have a standard quibble about the full moon not having much folkloric basis as a change schedule.

Another slant on the Classic from folklore is that they were sometimes used as tutelary curses: sinners or families of sinners transformed into wolves for a period of time as a punishment; stories of this kind usually end in redemption of some sort.