Sometimes, you'll need more than "direction" when shooting pics. You'll probably need to be a  little hands on in improvising your pics to make them look good. If you're good at software, then you'll be able to add those effects but what if you're not? For instant, adding smoke to photos.

These instant smoke drops can easily create plumes. And no it won't burn the place down so you're safe.

[Photojojo via The Fancy]