As many of us know, working with models can be a real challenge when it comes to the visual result of your concept. It's both a challenge for the photographer and the model and the key to the best result is communication between the two parties. Be friends with your models, know them, be relaxed and play.

That being said, after searching for imagery of people involved in different activities, I noticed there are two major types of model expression: models looking at the camera while involved in an activity, and models that interact naturally with the object of their activity. The first category may lead in numbers, but the latter has more sales. That's why I think it's very important to realize that a natural looking attitude has a better sale potential.

I will briefly emphasize on...