My school's mascot is a Fox--"George" Fox, to be precise. I made a pile of these, with slight variation, to send as Thank You cards at the end of the school year.
The fox comes from Woodpecker Studio. There are 15 other animals if you don't want to make a fox. I downloaded the file and redrew the fox in Corel to make a cutting file. Here are the assembly instructions.
For the front I just used some Japanese paper I had lying around the house.
Extreme Cards and Papercrafting: pop up cards, movable and mechanical cards, digital crafts and unusual papercrafts.