Inspiration came from here...
First of all, using a jigsaw is fun! I'd never done it before, and I found it to be easier than it looks! It was hard for us to keep the blade straight when we were trying to use the wood as a straight edge to guide us in where to cut. Once we switched to just drawing a line to follow, we did better with keeping a straight blade.
Here's how we started:
Then...
We went to Lowe's to get some paint and some lights. We decided that on these first trees, we'd go with red and green. Next time may be solid green, we'll see!
We left the paint to dry, and lights will come another day! To be continued...