Wooden Photo Gift

I found this video tutorial below for transferring photos onto a piece of wood. I immediately thought about how anything could be made with digital scrapbooking skills and then transferred onto a piece of wood. Any size can be done too.

It is important to note that the printed image must be done with a laser printer, not an inkjet; however, the print can be done on any paper. Many copy machines are laser print.  In addition, mirror the image before printing.

I am familiar with Modge Podge, as I feel most people are, but I am not familiar with a gel medium. I
Wouldn't make a great Christmas gift for grandparents?