How To Make Patterns:
Grid Pattern:
1.Open a new document 5x5px, transparent background.
2.Zoom all the way in.
3.now draw this pattern using the pencil tool(1px).

4.Now go to Edit>Define Pattern.(name the pattern Grid)
5.and your finished
EXAMPLE:

(the layer that i filled with the grid pattern.I changed the blending mode to overlay)
Scan Lines:
1.Open a new document 1x2px, transparent background.
2.zoom in completely
3.now make one dot with the pencil tool at the top.(1px)

4.Now go to Edit>Define Pattern.(name the pattern Scan Lines)
5.and your finished
EXAMPLE:

(the layer that i filled with the grid pattern.I changed the blending mode to overlay)
Diagonal Scan lines:
1.open a new document 5x5px, transparent background.
2.zoom in completely
3.Draw this pattern using the pencil tool(1px).

4.Now go to Edit>Define Pattern.(name the pattern Diagonal Scan Lines)
5.and your finished
EXAMPLE:

(the layer that i filled with the grid pattern.I changed the blending mode to overlay)
Iverse Grid:
1.Open a new document 5x5px, transparent background
2.zoom in completely
3.Now make this pattern with th pencil tool.(1px)

4.Now go to Edit>Define Pattern.(name the pattern inverse grid)
5.and your finished
EXAMPLE:

Dots:
1.open a new document, 5x5, transparent background.
2.Zoom in completely
3.Now make this pattern with the pencil tool.(1px)

4.Now go to Edit>Define Pattern(name the pattern Dots).
5.Your Finished
EXAMPLE:

Diamonds:
1.open a new document, 5x5, transparent background.
2.Zoom in completely
3.Now make this pattern with the pencil tool.(1px)

4.Now go to Edit>Define Pattern(name the pattern Diamonds).
5.Your Finished
EXAMPLE:

*!CGECK BACK OFTEN FOR MORE PATTERNS.THIS TUTORIAL WILL BE UPDATED OFTEN!*