"three videos covering the basics of setting up a blog on Edublogs, Blogger, and WordPress.com. These three platforms offer free hosting with space and customization options sufficient for most classroom settings."
--a neat service that allows you to make any image on your blog an interactive image
--you can tag and label anything in the images on your blog. Your tags appear as simple dots on your images. Whenever someone places her cursor over a dot in the image, the information in the label appears. You can include descriptions and or links to more information in each tag