For Macintosh, simply drag and drop image to desk top.
For windows, right click and select "save image as".
Then print out on heavy photo paper or card stock, and follow the directions on the card. If you want to be extra swanky, have it laminated before you cut it out. Aw yea!
So, it really is free and all, but if you want to say thanks, you can buy me a drink!