Adding a gadget to your Blogger Blog is very easy and only takes a few minutes.
Watch this video or follow the steps below.
Go to BloggerGadgets.net
One you find the gadget you want to add to your Blogger blog click the button next to the screen shot that says "Add to Blogger."
After you click this button you will be brought to Blogger where you can choose which blog to add the gadget to. once you decide click the button that says "Configure Gadget", this will bring you to a page where you can configure the gadget.
Once you are on the page that allows you to configure the gadget you can either decide to change some of the options or just click "Save" and add the gadget to your blog.