Figure 3.43. Examples I
This one I turned on gradient in the Paint Brush Tool.
This one I used the Clone tool, and set the source to "Maple Leaves" pattern.
Figure 3.44. Examples II
This one I rendered a grid, and then used the Smudge Tool with a low spacing and a slightly larger brush.
This one I rendered a plasma cloud, and used the Erase Tool with a square brush.
Figure 3.45. Example III
This one I used the “dodge” tool on the top and left of a blue box, then used the “burn” tool on the right and bottom.