I did some more work on the trees and rocks today.
I decided that the sky needed quite a lot of white in it to tie it in with the land and to act as a foil for the tracery of branches. I also wanted to lose the edges at little where the sky meets the snow at the sides of the canvas. I feel it has taken a step forward, though it still has a way to go.
I'll bring a bit of blue sky down from the top in a loose V shape, echoing but to the right of, the gap. That will create a deeper tone around the top of the tree trunk, reducing contrast, so that it doesn't shoot the gaze straight out of the top of the painting.
There are sludgy olive colours in the bark of the foreground tree now, along with the blue greys and purples. I still have more work to do on this though.
There are more variations in colour than show in the photograph as I had to use flash.
Size 40x40ins oil on canvas