Collarbone: Yes, I think you're right! Looks like it needs to go up and out a little. And unlike with the last methods (the scribbling), with this one I can just massage it right into place. So much more forgiving.

Hmm. His arm holding hers looks a bit too beefy. Have to fix that too.

I've lost track of tumblr but bookmarked the originals:

Charlie Bowater on vimeo
Used the brush, and the giant reminder to paint like I paint, basically.

Navate's skin tutorial on deviantArt
Borrowed color swatches as jumping-off point, since I was having trouble choosing tones.