• Centre of Focus:
For any kind of painting or illustration there is a basic key for success is ‘centre of interest’, which is also called as ‘focus of the painting’. Avoid placing focus point in centre of the painting either horizontally or vertically. Use ‘rule of Third’ for better compositions.
For more details refer to http://en.wikipedia.org/wiki/Rule_of_thirds
• Be Patient:
To achieve desired effects from watercolor painting, you need to be very patient and let the washes dry properly.
• Explore and Experiment:
There are no strict rules to use any medium for painting you just have to know basics and then you can experiment and explore as much as you like.
• Enjoy the Process!
It is very important to enjoy the process as you get to learn many things while doing it. Let mistakes happen, who knows you might find new technique to express your ideas. And last but not least, feel good about your artwork it will inspire you to make many more!