Saw a cross section from the bottom of your Christmas tree trunk before putting it into its stand for decorating. For an extra remembrance, glue on a fun Christmas-morning snapshot before you store the ornaments away for next year. Family fun instructions don't mention it, but I might mod podge on the year and/or photo.
Also on these boards
Katie from Bower Power was looking for a simple and classic centerpiece for her Christmas mantel when she stumbled upon a canvas of Old St. Nick himself in a catalog. She used the grid method she learned in middle school art to sketch the image from the tiny catalog pic onto a piece of painted plywood. Then she filled it all in with a silver paint pen for a light, shimmery look....LOVE IT!!