Now turn off all the layers with color leaving only the very first one:

brush usage and color gamma

Save it as PSD file - we will need it to create a displacement map.

Now it is time to draw something. I think I just use the effects of the brushes: and for that I have a special trick): I will now create a dual brush.

First I will take one of my old created brushes - it something like flat brush and I often use it to draw fabrics: PATTEBRUSH.abr Here it is in action:

brush usage and color gamma

Settings:

brush usage and color gamma



brush usage and color gamma

Use this for dual: pattern brush tips can create amazing effects as a dual preset:

brush usage and color gamma

Dual
  
brush in action:

brush usage and color gamma

So now that we have that brush we can use it. I would really like to break that border - it seems to me that it is just too solid:

brush usage and color gamma



brush usage and color gamma

Test for heavy usage - denied! So just keep it just on the edge of transparency (I love wacom).

brush usage and color gamma

And the finishing touch will be the logo or something - dome with the same brush and color gamma.

brush usage and color gamma

And this is it - we now have handmade wallpaper. That you for reading and see you next time.

brush usage and color gamma