unleash the artist in you!!

Besides what i do, i draw! i am very good at portrait, cartoons and calligraphy.. i would like to share with you a few tricks on drawing..
1. Use anything that can draw, don't restrict yourself!
2. Use any surface but avoid vandalism!
3. Draw whatever comes to your mind, develop ideas spontaneously and transform them to art!
4. Utilise shadows to create form, make sure the shadow doesn't change, or if it changes, it should change in a creative way to enhance the intended effect..

I'll be posting more tips.. I'll soon upload some of my art here! they are pretty cool!