Jazz Up Your Posts with Public Domain Art!

There are several sites that offer free, public domain images that you can use on your blog or in your powerpoint presentations.

Public domain image resources: a list of public domain image resources.

stock.xchng: free photo site. Great for Powerpoint presentations, especially if you’ve read Cliff Atkinson’s book, “Beyond Bullet Points”.
http://www.openclipart.org/: a collection of icons.