If you're looking to create a sense of atmosphere in a portrait photograph, an effective option can be to add smoke, mist or dust in combination with directional lighting. The results can be great. Check out some of these great examples and share your own efforts in the comments section!

Photo by mhx

Photo by Patrick Makhoul

Photo by gilles chiroleu

Photo by Ryan Forsythe

Photo by Samiul Alam

Photo by Devin Young

Photo by Jane Rahman

Photo by Alex Garcia

Photo by Adriano Agulló

Photo by Grégory Tonon

Photo by Hollywood Ford Brown

Photo by Raleene Cabrera

Photo by Hartwig HKD

Photo by Dhilung Kirat

Photo by Lauren Treece

Photo by Shane Gorski

Photo by Evil Erin

Photo by Ryan Ritchie

Photo by BdwayDiva1

Photo by Andy Rennie

Photo by Liz Poage