Take the Eraser Tool of a small size and erase the unnecessary curves if having them. Then copy this layer: Layer ? Duplicate Layer (ctrl+j). Flip this copy horizontally by applying this command: Edit ? Transform ? Flip Horizontal. The Move Tool will help us to move the pictured smoke on the necessary place.

Smoke Effect

Create now a new layer and represent another dot with another bush's type. If you are not satisfied with the smoke's sizes, you may change it when using the next operation: Edit ?
   
Free Transform
(ctrl+t).

Smoke Effect

Distort it a little by selecting the Turbulence Tool (shift+ctrl+x), then copy the layer and flip it horizontally.

Smoke Effect

Now we may give to this part of the ornament a special perspective: Edit ? Transform ? Perspective by combining preliminary these two layers: Layer ? Merge Down (ctrl+e).

Smoke Effect