Build a fire.

No, not to make smoke signals silly, that would be stupid.

Take a thin piece of paper, write a note on it, make it into a whirly-gig and float it up into the sky on the thermal created by the fire--I'll get it eventually.

Whirly-gig instructions to follow:


Don't forget to write your note!

(just click on the Whirly-gig image)