I approve of all these primates - too fun.
I watched a few of your vids - they really made me aware of how up-tight I am when I do clean up lines. A few years ago I was a design assistant on a television series- I had to do all the digital clean-up of characters and the rotations. My boss used to zoom in 1600% to check my edges and tapers. If they weren't perfect I had to fix them. Now I get a cramp in my brain when ever I try to ink something lol. I need to relax!
also, I really like this bird: