I LOVE to paint on up-cycled items. Nothing better than taking something that may go in the trash and making it brand new. I've painted windows for many years, thanks to my BIL's home remodeling! The picture above is one I recently painted and is for sale HERE. You'll notice that I left the background clear, which can be a challenge to varnish. Since I painted this one on the FRONT of the glass, I went over the entire painted area with varnish, extending the varnish just slightly onto the…