Talk Bubbles

Talk bubbles can be created by by going to custom shape tool as shown in the picture below. You will have to right click and select custom shape.

Go up to the top and select what type of shape you would like. Open the menu and click on the gear. near the bottom of the list is talk bubbles select file. Then scroll through until you find one you like. Select the type you want and just like when you make a square pull out the shape to your desire size then use move tool to position the bubble.    

Next add text by going to the text tool on the side bar near the middle to end of the bar. It will be a giant T You can change the color and type of text at the top left of the screen. Add some text then you can move the text if need be with move tool. 

Then you picture is ready to go with a text bubble!