A set of tools to help make web pages pretty in a world where CSS3 still isn't supported.
Make a single pixel half transparent png.
/rgba/255/0/0/0.5.png
Make a linear gradient from red(alpha 1.0) to black(alpha 0.3) 800 pixels tall:
/linear_gradient/255/0/0/1.0/0/0/0/0.3/800.png
Make a noise based texture tile:
/noise/255/0/0/0.5.png
Make a textured noise gradient from red(alpha 1.0) to black(alpha 0.3) 800 pixels tall:
/noise_gradient/255/0/0/1.0/0/0/0/0.3/800.png
This deploys to heroku no problem.