Do you want to add a YouTuBe clip on your posting? It's so simple! Here's how:
This if you want to put YouTuBe clips on side bar
Go to the Blogger Dashboard
go to the Template tab
click Add a Page Elemen
select Video Bar. This lets you add a vertical bar of YouTube video clips, based on defined search elements.
Or if you want to put it on your posting you can just use the embed source code given below the description on the Youtube page. Then, you just post that code into the code section of you blog. Just click on code, and then copy and paste the code where you want the video to appear on your page.