Here's a challenging set of challenges for you! :D ... http://www.neatorama.com/index.php?s=jaguar&Submit=Go
About 1/8th of the way down the page you'll come to a section - '9. Circus Trees'.
Check 'em out, man! There's a lot more really cool trees there too.
Wow, that's really cool!
I agree! Those circus trees must take ages though...