I am not an artist in any way, shape, or form. Pretty much all of the graphics and most of the styles you see here are from outside sources. But I always like to give credit where credit is due. For someone who isn't an expert at Photoshop these sets can really save time.
A few of the recent images l have added here are from an open source icon set called Crystal. It is available under the GNU General Public License and was created by a Brazilian by the name of Everaldo Coelho. It is a pretty extensive and high quality set which is very appropriate for Web 2.0 sites.
I also want to mention the Silk icon set. I have used those images on projects in the past . While not as high quality as the Crystal set these images have proven to be very usefull.