This tutorial will teach you how to make a dot pattern in
Requirements - Photoshop 6 or 7
Open Photoshop and create a documet sized 2x2, resolution 72
Mode: RBG Colour and choose transperent.
Zoom in to 1600%. Now change ur foreground colour to black
and get the pencil tool and set its size to 1px and then put a
with your pencil in the top left hand corner.
Now that dot took 1/4 of the space.
Finally go to Edit > Define Pattern and name your pattern
to what ever you want and you are all set to go