1, the first analysis of the form of bubbles in the cartoon form in fact, bubbles are divided into two kinds, one is not transparent, and the other is transparent, in this, we make a simple.
2, Opaque bubbles:
Create a new layer (layer one) after opening the background layer, select the Oval Selection tool, press the SHIFT key to draw a positive circle, fill in the color you want (except white), as shown:
Then double-click the layer one, open its layer style, set its parameters, as shown below:
This way, the edge of the bubble has a sense of the high light, click OK; Select the Lasso tool to draw another high light area in the appropriate position of the bubble, and then select feathering, as shown in figure:Classification: