Steps of illustrating a tr33

Step 1: include the sketch into AI

Step 2: darken the outline of the sketch
Step 3: drawing and coloring the trunk
Step 4: draw the tr33 based on the sketch
Step 5: illustrate the background, the sky and the ground, using brush tool.
Step 6: putting the finished tr33 onto the background
Last but not least, Step 7: add on some grass and finally the 'deforestation' logo of mine.
-the end-