This page generates a piet program which will output whatever text you enter repeatedly.
Pointless but pretty; I know.
If you want to make a new image hit refresh, to check the piet you can use
This Online Verifier/Dev (the Codel width is 10).
Also more information on Piet here.

Text:

This is an entirely JS application feel free to look at the source code. Png editing thanks to Robert Eisele

Heres an example

Example Program

Theres a few improvements to do on this; make the programs terminate, let users select start colour... I might get round to that someday.