It's always fun to do a little multi-flash when the opportunity presents itself :-)
I've added a gallery from Brazil to my website if anyone is interested:
Glenn Bartley Nature Photography - Brazil 2013
http://img15.imageshack.us/img15/9572/wx4r.jpg
Camera Model: Canon EOS 7D
Shutter speed: 1/250 sec
Aperture: 11
Flash: On - Multi-flash technique
ISO: 200
Lens: EF300mm f/4L IS USM