While working on the Pier editor, I've ran into several issues understanding the code (see Displaying Variables in Pier). To get a little more momentum, I started working on one of the Pier Components, the JQuery Cycler.
After working for a while, this may not be the most effective work - a slideshow like this can be done in CSS and HTML (see this example):
This is from when I removed the tile in my kitchen and added drywall.