Scanline Tutorial[/color]
Scanlines are diagonal lines that can be used on signatures, backgrounds, ect. They are commonly used on userbars. Here is an example of them being used on a signature:
Before:
After:
----------
Step 1: Create a new document using these sizes:
Step 2: Press
D to reset the colours. Then zoom in as far as possible.
Step 3: Create the following, using 3 squares from the Marquee Tool, or drag the pencil tool diagonally.
My Selection:

What you should get:
Step 4: Press
CTRL + A, then navigate to
Edit > Define Pattern. I saved mine as "Scanline"
Done! You can apply this effect to almost anything.