Fun With Brushes

I need a break from my usual tightly rendered style, and have been researching the techniques of Impressionism: talking to people who do it, reading online articles, looking at lots of examples, etc. So now I'm going to try it, utilizing some old canvases from the B series of the sky paintings that I painted years ago. There were 30 in the original series, and a couple have sold. They're all nicely framed and I'd like to have a show of them somewhere again, but I need first to re-do several that are just not up to snuff.

Here's the old version of B-13:

And this is the start of the new version:

The old version of B-21:

And the start of the new: