So you are building your AJAX-enabled web site and want a nice animated gif to indicate to your users that something is happening behind the screen.
You google for images and all you find are those traditional black and white animated gifs. What if you need it in blue background and yellow foreground? Like this nice one below... ;)

Well, just go here and generate your image just the way you need it!

I wrote an article the other day stating that I had no idea why someone would call a Helper method from inside a Controller in Rails.
I just found a reason. Here is what I needed to do: