Where can I get pictures for my blogs?

I was wondering if anyone could help me by directing me to any site that I can download pictures for my blogs.

You can use Wikipedia as long as you cite the source, as they have many GPL images, which essentially means you can use the image without paying a fee or paying royalties on a per impression, or per day / year basis.

Also flickr has a creative commons search filter which is similar but different to GPL, which also means that you can use the images, as long as you cite the source and link to the author's web site, or page on Flickr.

Hope that helps, those are probably the two biggest places that I've heard of that offer "free" images. If you buy them even for a few dollars an image, then there isn't a linking requirement, which may or may not be a consideration for you.