In here you can post your 3-step-or-shorter tutorials, that doesn't really deserve a own topic each...
You could pin this, Washunka
If you want diagonal scanlines in PSP9, do this:
1. Make a new image, white bg.
2. Do scanlines over them, Effects>texture effects>Blinds. Make the blinds black.
3. Use the deform tool to turn the image. Stretch the image out to all sides, and you're done.