In this tutorial we will create an abstract cosmic alien embryo looking mass.
These are great for desktop backgrounds, or for banner/sig backgrounds. I also have used portions of these in tech headers. After doing this tutorial you should pick up several fundamental photoshop creation techniques.
start with a new document that is 700 x 700 and fill the background with #000000 (black) and CREATE A NEW LAYER.
with #ffffff (white) as your foreground color, select the brush tool and apply these settings:
Select the soft brush, with a size of 27 pixels.
draw three squiggly lines like so, kind of like a tree.. give it a wide base.
change the size of the brush from 27 to 12.
draw on the ends of the three lines with the smaller brush like so:
next drop the size of the brush from 12 down to 5
with the smaller brush, go ahead and draw smaller lines stemming out from random spots on the image.
go to "filter->stylize->emboss" and apply these settings
next go to "filter->sketch->bas relief" and apply these settings
go to: "filter->distort->shear" and apply a curve similar to this: