The Crystal project feature loads of cool looking glossy icons. It has glassy icons for different applications related to computers. There are basic icons for reperesenting navigational feature of stop, go back, general information etc. Icons for file system and basic components like folders, recycle bin are also included.
It also has jazzed up glossy icons for applications like Open Office and Firefox. Icons are available for free download in PNG format (256X256 size). After download, you can convert them in any desired format for further editing and usage. Download Crystal Project Icons