Dot Pixel Pixellated (Rasturbated) Images in GIMP
Channel: Aubrey Watt
Date: 2012-11-07

How to create a dot-pixellated image in GIMP:

Go to Filters-Distorts-Newsprint. 
Adjust the cell size how you want it.
Pick Intensity if you want B&W.
Choose the shape of dot (Round, Diamond, etc)
Increase the antialiasing for smoother dots.
Click OK!

Once that's done, you can select by color to select the black dots. Then Copy-Paste them into another layer. Add a new layer of white and move it underneath the pasted layer for a background. 

Voila! You have a dot-pixel pixellated (rasterbated) image that looks like an old newsprint comic! 

Note: there is also software that does this at http://arje.net/rasterbator, but you have to download their program.