Simple props, imaginary or real, can help add drama to a pose. In one session Will had the model assume 'action' poses. As animation artists we look for the 'story' in a pose so it helps when the model acts a little.
Kris took it all the way & added entire scenarios & other characters to these poses-
Jess turned this drqwing into an underwater session-
See more of Jess' drawings on her blog.