Ransomizr grabs the last bunch of single-letter images from the One Letter Pool on Flickr, arranges them into an array, and waits for you to type something in the entry blank. The result looks just like an old-school ransom note, and may be copied and pasted from here into the page of your choice.

Here's a nice looking video (.mov) featuring Katy Horan artwork

Stephin Merrit's selling volvos