Now that you have a general idea and an overview, you should go a step further and work out your rough template. When choosing the color, it is best to stick to soft tones, pink or sky blue are always a good start for tests.
If you feel creative, then you should use the image editing program of your choice and first create a rough template that should give you a general overview of the design and coloring of your new cute stream overlay. How do you make an adorable stream overlay yourself?