The first step is to draw some lines as shown below/
3, the white bottom and line layer merge in the Edit menu with reverse-phase command to the line into white, the background color into black.
4, copy Multilayer "White bottom" layer, the copied layer mode adjusted to screen (in English), and each layer dislocation move, the main purpose is to increase the width of smoke. At this time we found that the lines on the screen increased, it seems to be a ghosting!
5. Merge all the duplicated layers and take a Gaussian blur in the filter. At this time the effect of smoke basically came out. If you don't feel enough, you can also copy one layer (screen mode) to blur and reduce transparency.
6, will merge the layer to take the screen mode (screens), adjusts the smoke size and the suitable position according to the ctrl+t. At this time the smoke drift effect came out.