Just go nuts....
Draw some pictures, write a poem, its up to you ;)
All we're after is a bit of information on what you've done to the car.
The form is essentially what you find in the window of exports (our imports) in Japan.
Kristian had some from his last trip over and had the idea, we liked it, so now you're stuck with it.. ^_^
BUt yeah.. stick what ever you're happy with. If you want to stay with your car all day and tell people about it, writ bugger all, if you want to wander around but let people know what you've got, fill out everything you can think of. ;)