Looking for free sources for images? Bookmark these links!
Morgue File - Usually my first choice to search because it's easy to use, has a nice library and includes a tool to crop and resize the photos you want to use right on the site.
Stock.xchng - Big selection of images, terms vary from photo to photo.
Every Stock Photo - Library includes photos from NASA and the Library of Congress.
Dreamstime - This is a royalty free (paid) photo site but they also have a collection of free images.
Free Digital Photos - Love the way the categories are setup here, easy to browse. Includes photos & illustrations.
Creative Commons - Here you can search Flickr, Wikimedia, and other sites for Creative Commons licensed images.
Wigflip - Wigfip allows you to generate various graphics with your own text on them.
Wordle - This site lets you create a “cloud” of words from any text or feed you’d like. You can choose the colors, fonts and style.
Flaming Text - Set your text on fire, make it brushed metal, or try one of dozens of other effects.
Cool Text - Similar to Flaming Text but also allows you to put your text on buttons like this panic button.
Fake Magazine Cover - Put yourself (or any photo you’ve got) on the cover of dozens of different magazines.
Unprofound - Here you can search images by color, which is very cool if you need something based on color.
Free Range - Very nice selection of free photographs.
Image*After - You can find free images and free background textures here.
Photogen - Another nice catalog of photographs.
NOAA - Lots of landscapes and nature photos from NOAA.
Public Domain Photos - If you're looking for clip art style images, try this site. Also has photos.
WP Clipart - More clip art style images.
Uncle Sam's Photos - More free to use photos from the US Government.
Hassle Free Clip Art - Large selection of cartoons and clip art.
Here's some tips on how to nicely format images for your blog if you're using WordPress: