Adding Scanlines

Result. Added Scanlines.

Maybe one of the most simple tutorials here, so simple - you cant go wrong!

1. Open up your picture, we used Eminem

2. Create a new image, which is just one pixel wide, and 2 pixels high... but a transparent background

3. Once clicking OK, zoom right in to 1600% and grab the pencil tool.

4. press D to reset your colours and give the pencil a setting of 1px in diameter, and 100% hardness

5. Just put a single DOT the top pixel of your drawing - your picture should now look like this :

6. hold CTRL and press A to select all your image, click Edit > Define pattern and give it a name. [ you can then close it, as it is no longer needed ]

7. on your firstly opened image, hold SHIFT and press backspace. Choose the option: pattern, and select the image we just created. put the opacity down to about... 25% and click Ok