I've really enjoyed all these questions! Thanks to the original asker. The TeX ones are especially neat because they are a vector graphic, no image distortion involved.
We already have a framework that can do this kind of thing -- see http://www.wolframalpha.com/input/?i=blur+plot+of+sin(x) -- but because of our release schedule, it'll take around 2 weeks for the xkcd code to make it to production.
- Mathematica: http://mathematica.stackexchange.com/questions/11350/xkcd-st...
- Matlab: http://stackoverflow.com/questions/12701841/xkcd-style-graph...
- R: http://stackoverflow.com/questions/12675147/how-can-we-make-...
- TeX: http://tex.stackexchange.com/questions/74878/create-xkcd-sty...
I've really enjoyed all these questions! Thanks to the original asker. The TeX ones are especially neat because they are a vector graphic, no image distortion involved.