Here is a tutorial on how to put videos in you youtube channel.
The advantages of this are that they embed easily into blogger and slides and many people can see youtube on their devices easier. It is also a much faster process than uploading to blogger.
Steps:
Download your movie from your drive or camera.
Open You Tube and make sure you are logged in.
Click on the video camera and select upload video.
Click next and select your settings:
Yes it is made for kids.
Give it a title
Select next
Make it unlisted - this is the same as "anyone with the link".
Click next and you are done.
Copy the link to insert into blogger and slides via you tube.