Buoyant

The balloons filled with helium made the house, the little puppy, the little girl and the grandfather buoyant.

Zany

These two cartoons i found are very zany and made me laugh for a few minutes.

http://www.cartoonstock.com/lowres/gca0164l.jpg

http://oarsman.files.wordpress.com/2009/03/row-20001.jpg