If you’re tired of boring links, text and images on your Blogger sidebar, surprise site visitors with a video. YouTube, the online video sharing site, allows users to grab the HTML video code from any video and embed it on a Web page. By adding an HTML gadget to your blog, you can paste YouTube video code into the gadget and insert the gadget into your sidebar. Users viewing your blog will then see the video whenever they visit your blog. Writer Bio

How to Add a YouTube Video to a Blogger Sidebar  7 Steps  - 40