
2. Select the "Dodge" tool and change the "Range" to "highlights." Use this tool around the edges and corners of your shape.

3. Select the "Burn tool" and use it wherever you think. You should have something that looks like this:

4. Go to Filter--->Distort--->Wave and leave the settings as follows:
- Generators "5"
- Wavelength "10"/"120"
- Amplitude "5"/"35"
- Scale at "100%" for both.
Click Randomise until you get something like this:

5. After using the wave filter go to Edit--->Fade-Wave and set the opacity to 50%.
Repeat this distort and fade until you think it looks like smoke. Save as a .png or .psd.

6. copy and paste onto your image or adjust the colour and overlay etc
Practicing the shapes and distort and fade can improve the finished image.

to this -> 
