Software is hard | Extending Prism
http://www.softwareishard.com/blog/planet-mozilla/extending-prism
"I was playing with Prism recently, exploring how hard is to write an extension for it ... It turned out to be quite easy process and since I haven't found a tutorial ... how to write a first Prism extension, I decided to put one on my blog."
Prism:Bundles - MDC
http://developer.mozilla.org/en/docs/Prism:Bundles
"In addition to passing simple command line parameters, Prism can use a zipped bundle package to install a webapp."
Flickr: Fluid Icons
http://www.flickr.com/groups/fluid_icons
"This group is a collection of images that can be used for OS X icons, specifically for web applications."