We could all use more sounds - how about 83 free ones? Inspired by a music-making session in which he required finger percussion samples (snaps, hits and more), Ableton Artist Vertecs released a free Live Pack featuring original and copyright-free sounds. Grab them at Vertecs Recordings.
Curious to record some unusual percussion sounds yourself? This post from Vertecs contains an exhaustive list of setups for different "body percussion" sounds.