I re-started my lamb picture - as I felt attempt no 1 had too many lambs. Plus I'd messed up the background and was getting covered with black pastel.  Here's where attempt no 2 is at with charcoal.  You can see the work in progress here.

I've also started a sunflower which was being worked from some instructions I'd found on the web but using my own reference photo - that didn't last long and I'm doing my own thing.  Here's where I'm at: