First of all, we need two speedlites and one DRL camera.(My stuff are YN560-III, YN560-II and Canon 60D with 50mm 1:1:8 II and 16-35mm)
|YN560-III Image from: http://plazakamera.com/wp-content/uploads/2013/07/jual-flash-yongnuo-yn560iii-pk-01.jpg|
|Canon 60D Image from： http://i3.sinaimg.cn/IT/digi/digi_dc/document/2010-08-27/U803P297T7D51758F2353DT20111216161237.jpg|
Arrangement of the light source as this picture show you.
|I made this picture|
Use 4 Channels Wireless/ Radio Flash Trigger Set With 2 Receivers, then you will have a picture like this:
|I took this picture.|
I hope you will enjoy it~